Friday, June 14, 2024

Motorhome Leisure Batteries- Full charging & upkeep information

Acquired a motorhome, campervan or caravan? Need to know easy methods to care in your home leisure battery, easy methods to cost it, preserve it and usually hold it going, particularly in winter? Or frightened about it shedding or not holding cost? Right here’s all the things it is advisable to learn about your motorhome leisure battery.

Don’t overlook to seize your FREE motorhome upkeep guidelines beneath

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Motorhome Leisure Batteries

Let’s be honest- most new motorhomers or campervanners don’t actually take into consideration their batteries till they’ve an issue. Both the facility goes, or the battery isn’t holding a cost or they arrive at their motorhome or camper after winter to search out all the things is flat and there’s no strategy to repair it.

If that’s you, don’t worry- you’re not alone. However a fundamental stage of battery upkeep is necessary to maintain your leisure batteries wholesome and glad for his or her lifespan- and make that life span so long as it may be. Your motorhoming may even be a lot simpler when you perceive what your leisure battery is there for and how one can assist it!

It may additionally assist in your yearly motorhome habitation test (or when you do your individual) if in case you have a fundamental understanding of the way it all works.

Motorhome leisure batteries for novices

So, let’s begin at the start and go over some fundamentals.

In case you have a motorhome or campervan, you’ve in all probability received each an engine starter battery (the one which begins your automobile and is usually discovered within the engine bay) and a leisure or home battery.

NOTE: If you’re shopping for a brand new CARAVAN, they’re typically equipped with no leisure battery, so you’ll need to purchase one earlier than your first journey.

The motorhome leisure battery is often NOT within the engine, and is discovered someplace within the camper habitation space. Ours is below the driving force seat, however on our final van it was below the ground close to the oven. Examine your motorhome guide when you’re unsure.

On this submit, we’re going to be focussing simply on the leisure battery, so that you shouldn’t must go anyplace close to the engine bay! We’ll be speaking concerning the fundamentals of leisure batteries, how to decide on one, easy methods to care and preserve them (particularly in winter!) and what to do if they’re shedding cost, gained’t cost or appear to be fully lifeless.

Don’t worry- this submit isn’t for skilled electricians. You don’t want to grasp amp hours, volts or ‘deep-cycle’ with a view to care in your motorhome batteries. And no maths is required (okay, a teeny tiny bit would possibly be- however I promise you are able to do it.)

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Why do you want a motorhome leisure battery?

The home leisure battery runs all the facility within the habitation space of your van, everytime you’re not plugged in to mains energy. It’s used for habitation lights, water, bathroom, blown-air camper heating, 12v chargers and the rest electrical.

IMPORTANT– the leisure battery solely provides 12v in your van. So, in case you are on battery energy, you CANNOT use your 240v (regular 3-pin plug) sockets. So no electrical kettles, or toaster, or microwave (except you have got a motorhome generator or an invertor- however that’s a submit for one more day.)

So as to have the ability to present that energy, the battery ‘shops’ it. Consider it like a bucket of water. You must put energy into the battery. When it’s full, no extra energy will be saved. Then, as you utilize the facility, it’s drained down. As soon as it’s gone, it’s gone till you replenish the facility.

The large distinction between your campervan leisure battery and the bucket of water is that you simply CANNOT fully empty the leisure battery- doing this may kill it. In actuality, you’ll be able to solely use about 50% of the facility in your leisure battery earlier than it is advisable to cease draining and begin recharging.

Can’t I simply plug into mains energy on a regular basis? Do I really want a leisure battery in my motorhome?

You might, however the different job of a leisure battery is to easy out irregularities within the energy. With out this, you could possibly find yourself damaging home equipment on account of energy spikes or having home equipment which want fixed energy (like alarms or trackers) going on and off commonly on account of energy fluctuations.

Nevertheless, when you plan to spend most of your time in your motorhome, campervan or caravan on a campsite, you don’t want to purchase a top-of-the-range leisure battery as you gained’t be placing it by way of as many cycles as somebody who primarily stays off-grid.

Why is your motorhome or camper leisure battery shedding cost?

The opposite factor to grasp is that the facility in your battery will not be like water in a sealed container. Identical to water in a bucket left outdoors on a heat sunny day, the facility in your leisure battery will slowly… disappear (no, it doesn’t evaporate like water!)

It’s like once you get a static shock and your hair stands on finish. Ultimately, that power simply dissipates. The identical factor occurs to your motorhome batteries (each engine and leisure).

That’s why you typically return to your motorhome, camper or caravan after winter or a interval of inactivity and discover the batteries flat. Even when you’ve turned all the things off and also you’re satisfied nothing is inflicting the facility to empty finally, over time, the battery will probably be absolutely discharged and/or lifeless.

However don’t worry- with correct upkeep and care, you’ll be able to shield your batteries, even in chilly climate, and use them for a number of years.

motorhome storagemotorhome storage

Distinction between an engine battery and a home leisure battery

The two varieties are usually not the identical and you can purchase the suitable battery for the job.

Engine starter batteries (or automotive batteries) have thinner plates and are designed for brief, sharp bursts of excessive energy with a view to crank your engine and get it going.

Leisure batteries are designed for sluggish launch over a protracted time frame, adopted by re-charging. That is referred to as ‘deep-cycling’. Leisure batteries are generally known as auxillary batteries too.

“Can I exploit a automotive battery as a substitute of a leisure battery?”

You can not use a leisure battery in your engine (it doesn’t have the ‘oomphf’ to get the engine began), however you could possibly use an engine battery as a leisure when you actually actually needed to. Nevertheless it won’t be anyplace close to as environment friendly and we don’t suggest it.

There’s a sort of battery which might do each jobs (an AGM battery), but it surely’s not generally used for motorhomes.

What number of leisure batteries do you want in your motorhome or campervan?

Nice question- and the easy reply is, it is dependent upon your van and the way you intend to make use of it.

On our final motorhome, we had an electrical mattress. We liked the concept of this, as a result of it made life simpler, however, in actuality, that factor was stupidly power-hungry. For that reason, we determined to suit a second leisure battery into the motorhome (and it’s one of many many causes we determined to simplify and downsize our motorhome.)

IMPORTANT: You MUST solely put a leisure battery within the acceptable battery compartment. If there isn’t area for a second battery, you shouldn’t match one. Additionally, you’ll need to declare becoming a second leisure battery to your insurance- they may require you to get it professionally checked.

On our newest van, and in a number of vans we’ve used, there has solely been one leisure battery- and it’s been completely high-quality. We love going motorhome wild tenting, and keep off-grid away from campsites as typically as we are able to, and we nonetheless don’t really feel the necessity for a second leisure battery (though we do have a photo voltaic panel, which makes an enormous distinction.)

Motorhome wild tenting guides for the UK & Europe

After all, the extra batteries you have got, the LONGER you should have battery energy for. Observe that I say longer, no more. You’ll be able to’t match 20 12v leisure batteries and immediately have 240v energy.

How lengthy ought to a motorhome leisure battery final?

This can be a widespread query, with two potential solutions.

Do you imply how lengthy can you utilize electrical gadgets in your camper earlier than the battery ought to not be used? That is dependent upon the scale of your battery and the way a lot energy you’re utilizing. The extra you have got switched on, and the extra ‘power-hungry’ the equipment, the faster the battery will drain.

The quantity on the battery (for instance, ‘110’) refers to ‘Amp-hours’ (Ah) which is the capability of the battery- or how a lot energy it might probably retailer. In easy phrases, it may provide 1A for 110 hours or 10A for 11 hours.

Or do you imply how lengthy must you hold a leisure battery earlier than changing it for a brand new one? The lifetime of a leisure battery is dependent upon a number of issues:

  • how continuously it’s discharged
  • how deeply it’s discharged
  • how rapidly it’s recharged

To ensure that your battery to final so long as potential, it is advisable to hold it in an excellent state of cost. If it discharges to too low a stage and is left for weeks (and even months throughout winter) with out being recharged, then it’s going to in all probability die. And also you want a brand new one.

With correct care, you’ll be able to anticipate a motorhome leisure battery to final round 5 years earlier than it must be changed. After all, if issues go flawed or aren’t maintained, you could possibly find yourself shopping for a brand new leisure battery yearly!

Varieties of motorhome leisure batteries

There are lots of forms of leisure batteries, and also you’ll hear all kinds of thrilling phrases thrown about like ‘lead-acid’, ‘moist batteries’ and lithium ion. Let’s take a look on the choices.

Lead-acid leisure batteries

The commonest type of leisure battery in a motorhome or camper is a lead-acid (though lithium ion is gaining popularity). These are additionally referred to as ‘moist’ batteries as a result of… they’ve liquid inside them.

Lead acid batteries will self-discharge over time. The velocity of this is dependent upon make, age and many others. You want to have the ability to hold any eye on electrolyte ranges, and prime up as needed.

You may get ‘open’ and ‘sealed’ lead-acid batteries. Open are the sort it’s a must to prime up. Sealed are the ‘maintenance-free’ ones (extra on these beneath.)

Lithium ion leisure batteries

Lithium batteries are one other type of deep cycle battery. They’re absolutely self-contained (upkeep free) and have their very own cost supervisor. As a result of they don’t have lead, they usually weigh round half as a lot as an equivelant lead-acid battery- this will actually assist together with your motorome payload.

They will also be discharged (absolutely) and quickly recharged whereas retaining a steady voltage stage. They’re nice for motorhome house owners who use their autos ‘off-grid’. They don’t self-discharge, are principally maintenance-free and work properly alongside an inverter.

Nevertheless, they’re expensive- as a lot as 5 instances the price of an equal, good high quality, lead-acid battery

Motorhome touring in Spain- Cabezo NegroMotorhome touring in Spain- Cabezo Negro
How typically you discharge and recharge your motorhome leisure battery could make a distinction!

Different forms of leisure batteries

  • AGM batteries – Absorbent Glass Mat batteries have matting between the plates that filter the sulphuric acid contained in the battery, making it extra resilient and capable of face up to a larger variety of charging cycles than a typical lead-acid. They can be utilized as each starter and leisure batteries. The draw back is that they’re much costlier to purchase.
  • Gel batteries – These are utilized in autos with a excessive danger of harm or crashing, reminiscent of quad bikes or jet skis. They use gel moderately than acid, which reduces the chance if they’re broken in an accident. Some overseas manufacturers of motorhomes or campers are actually fitted with these.
  • Upkeep-free batteries – Typical batteries have detachable caps to permit the acid ranges to be checked and topped up with deionised water. A brand new possibility is a maintenance-free battery, which is a sealed unit and can’t be topped up, however doesn’t should be, because of the means it’s charged.

Shopping for & Selecting a motorhome or camper leisure battery

If you end up needing to purchase a leisure battery for a motorhome, campervan or caravan, it may be a bit of overwhelming.

As a tough information, the heavier the battery is, the extra lead it accommodates= capacity to carry a bigger capability of cost. If you’d like a deep biking leisure battery (which you in all probability do) a heavy battery is an efficient place to begin.

If you’re going to be spending most of your in a single day stops on motorhome membership campsites with mains hookup, a reasonable battery is perhaps all you want. When linked to a mains provide, the battery is then solely there to ‘easy out’ the 12V output from the camper’s built-in charger.

Nevertheless, when you plan to make use of CS/CL websites with out electrical hook-up or wish to keep off-grid, an excellent high quality, high-capacity battery is important. Additionally, when you like to remain in a single place for some time (and due to this fact the alternator isn’t recharging the battery), you’ll want an excellent leisure battery for that too. Solely purchase batteries which have been manufactured within the final 12 months- previous batteries may have already got sulphur corrosion.

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In addition to choosing the right mannequin, you additionally must be sure you aren’t being offered a starter battery instead of a leisure battery.

The best choice to make sure you get a leisure battery appropriate for a leisure automobile is to purchase one from the Verified Leisure Battery Scheme.

Nationwide Caravan Council Verified Leisure Battery Scheme

This scheme was arrange by the Nationwide Caravan Council to present house owners peace of thoughts concerning the high quality of their battery. If you happen to purchase a leisure battery which shows the scheme’s brand, then it has been deemed dependable and match for objective by the NCC.

All verified leisure batteries will show the scheme’s brand in addition to which class it falls into.

NCC accreditationNCC accreditation
NCC Caravan and Motorhome Leisure Battery Verification Scheme

How are leisure batteries categorised below the NCC scheme?

There are three classes of verified leisure battery:

  • Class A – Excessive storage capability batteries to be used by caravan and motorhome customers preferring to function away from {an electrical} hook-up level (individuals who do a whole lot of off-grid tenting)
  • Class B – Designed for customers who use electrical hook-up on the vast majority of their journeys, but additionally require larger energy capability. Units reminiscent of motor movers (for caravanners) are prone to require a Class B battery even when electrical hook-up is used
  • Class C – Verified batteries appropriate to be used when electrical hook-up will not be obtainable for a short while solely

Are all leisure batteries coated by the scheme?

At current, only some producers are included. Extra are anticipated to hitch within the close to future, and the NCC will publish updates as and when acceptable. Yow will discover out extra right here.

What impacts a leisure battery’s efficiency?

There are lots of issues which might have an effect on the efficiency and lifespan of a battery.

  • Age – Most batteries have a marked lower in efficiency after 5 years.
  • Dimension – Clearly, the larger your battery (in Ah, not bodily measurement), the longer you should use your home equipment for.
  • Consumption– Having mentioned that, when you’re operating a whole lot of electrical home equipment without delay, you’ll drain the battery sooner and it’ll should be recharged sooner and way more typically. The extra you do that, the extra you degrade efficiency and lifetime of the battery.
  • Temperature – Batteries hate chilly. The colder the temperature, the more severe the battery goes to carry out. They actually do sulk. If you happen to test your battery, you’ll see the ‘amp hours’ score will probably be based mostly on a loopy heat temperature of round 25c, with every diploma decrease inflicting a 1% drop in efficiency. For instance, a 110Ah battery which is working in 15c temperature will truly solely carry out as a 100Ah. If that’s not motive sufficient to go spend your winters in Spain, I don’t know what’s!

The very fact of the matter is, you are able to do calculations all you want, however all the time err on the facet of warning and assume it is advisable to recharge your leisure battery extra continuously, and for longer, than you would possibly assume.

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Taking care of your Leisure Battery

So, in addition to a bucket of water, consider your battery like a pampered canine. It needs to be heat (however not TOO heat), dry, given consideration, fed typically and given numerous day without work to sleep. (I’ve a cocker spaniel curled up on my lap proper now and consider me, the analogy is working!)

Listed here are some tricks to get essentially the most out of your leisure battery.


  • Cost your battery after buy. Bear in mind, they’re discharging whereas simply sitting there on the shelf in Halfords.
  • Be sure to set up the battery appropriately, retaining it upright and correctly secured (most motorhomes have straps for this. Use high-quality clamps for an excellent connection.
  • Maintain the terminals clear and free from corrosion. Some individuals add a light-weight coat of vaseline/ petroleum jelly- we don’t do that however we do test them commonly.
  • Be sure to know which home equipment are consistently drawing on the battery. Trackers, alarms or safety, rearview cameras, wifi dongles or the clock on the dashboard are all widespread culprits.
  • Frequently test the water ranges within the battery. You do that by unscrewing the caps and ensuring the electrolyte stage covers the lead plates. If not, prime up with deionised water as required. All the time put on full security tools when inspecting and sustaining the battery– that stuff is corrosive!
  • Ensure that the gasoline aid tube stays securely in place.
  • Recharge the battery as soon as it reaches 50% energy. By no means permit a battery to fully run down as this will kill the battery/ drastically scale back the lifespan
  • If you happen to aren’t going to be utilizing the battery for some time, give it a correctly good cost after which retailer it in a cool setting with an acceptable charger. You’ll be able to depart within the van if in case you have an clever charging system or a trickle charger.


  • Depart your battery in a discharged state for a protracted time frame If you happen to’ve been utilizing the battery, be certain it’s charged up once more earlier than you permit it in storage/ unused. If you happen to don’t do that, a white deposit will type on the plates and the battery will probably be unusable (that is referred to as sulphation)
  • Over-charge your leisure battery. A completely charged 12V battery ought to have a voltage of 12.7V. Overcharging will be simply as dangerous as undercharging for killing off a battery.
  • Over-discharge your battery. If the voltage falls to 11.70V cost instantly! If it will get a lot decrease, you could not be capable to put it aside.
  • Reverse the polarity in your charging leads- this will injury the battery
  • Let something fall throughout the battery terminals. A 12V battery is unlikely to trigger electrocution, but when the terminals or the cables are shorted-out, it might probably trigger a fireplace in your motorhome.
  • Overlook that the stuff in a lead-acid battery is ACID. I’ve seen it burn by way of denims when my husband unintentionally spilt some. Watch out and hold properly away from children and pets.
  • retailer your battery anyplace too heat, or purchase a radiator, or in direct daylight

Sustaining your leisure battery throughout Winter

Or, extra typically “My motorhome has been in storage for winter. Why is the battery now flat?”

Prepare RV motorhome or campervan for winter storage- winterizing tips for campers and leisure vehiclesPrepare RV motorhome or campervan for winter storage- winterizing tips for campers and leisure vehicles
Caring in your motorhome in winter- take care of your leisure battery

Sadly, most individuals solely uncover they’ve an issue with both their starter battery or their leisure battery once they return to their automobile after a number of months. Usually that is after winter (though on this age of world lockdowns and pandemics, you’ll in all probability not be utilizing your motorhome as a lot as you deliberate!)

The double-trouble is that you’ve got each lack of use (time whereas the battery quietly discharges) and chilly (which makes the battery depressing.) The 2 collectively imply that the battery discharges extra rapidly, and is much more reluctant to get better afterwards.

Listed here are some suggestions for caring for and sustaining your leisure battery over winter:

READ MORE: Full checklist of all the things it is advisable to do to put together your motorhome for winter storage

  • Give it an excellent cost earlier than you place it away for winter
  • Depart it with some type of trickle charger, however leaving it plugged into mains for months would possibly injury the battery too. (The usual on-board charger in lots of motorhomes may cause over-charging)
  • In case you have an clever battery charging unit (which screens the battery and adjusts charging voltage and present, you’ll be able to depart that plugged in all winter.
  • If you’re unable to connect a charger completely, both cost your leisure battery as soon as a month or take away it from the automobile, carry it residence and put it on cost. After all, watch out if this implies your alarm/ tracker turns into disabled- learn extra about motorhome safety right here
  • Ensure that it doesn’t get too chilly. In case you have inside battery storage within the motorhome, it must be okay except it’s REALLY chilly, however if in case you have exterior storage you would possibly wish to take away it to keep away from injury.
  • If you’re storing the van at residence and have an influence provide, you’ll be able to put it on a timer (4/5 hours a day) so it doesn’t overcharge
  • You should utilize a photo voltaic panel to supply cost to your battery. Simply remember that photo voltaic panels are much less efficient in winter (weaker daylight) and likewise when you use a motorhome cowl it might cowl the photo voltaic panel, making it ineffective.

How you can cost a leisure battery on a motorhome or camper

Most motorhomes and campers have a number of methods of charging the leisure battery:

  • Through the mains when on hook-up (battery charger)
  • Utilizing the engine (alternator) when on the road- that is typically referred to as ‘split-charge’
  • Photo voltaic panel
  • Generator
  • Wind turbines (these are widespread on boats, however much less widespread on motorhomes or campers.)

How you can cost a leisure battery from mains/ electrical hook up

This one is straightforward. Offering you have got a battery charger (extra on these beneath), you simply plug within the mains, flip it on if not already, and calm down. It’s that straightforward on most fashionable motorhomes and campervans.

How you can cost a leisure battery whereas driving

Bear in mind, it’s going to take time to recharge a battery. Working your engine for quarter-hour will not be going to be sufficient.

Additionally, the alternator was not designed for leisure batteries- it was designed for starter batteries and that’s its primary focus. So it is advisable to permit time for the starter battery AND then the leisure battery to be recharged (it’s not linear like that, however all it is advisable to know is it wants time!)

Additionally, because the battery voltage will increase (it will get extra charged), the present supplied by the alternator will reduce- because it must for the engine battery. So an alternator is unlikely to completely cost a leisure battery.

Discharge charges and maths. (DO NOT PANIC…)

For instance, if in case you have a 100Ah (amp hour) battery (let’s ignore the temperature and simply assume it’s working to 100), and also you discharge (use) 50%, it is advisable to substitute 50Ah

Let’s say the engine alternator has sufficient to present 5A to the leisure battery. It is going to take 10 hours to recharge. That’s 10 HOURS of driving. Continuous.

In case you have an even bigger battery, or two leisure batteries, you’ll need even longer.

Fortunately, many motorhome on-board battery chargers can provide 15-20amps, so it takes loads much less time- 2 or 3 hours. Let’s have a look at these in additional element.

Motorhome leisure battery guideMotorhome leisure battery guide
Motorhome leisure battery information

Motorhome Battery chargers defined

Utilizing the mains to cost the leisure battery (and generally the engine battery) is widespread in most motorhomes, however you’ll need a battery charger. There are a number of forms of charger available- they do totally different jobs.

Fundamental chargers

The best is a fundamental unit which supplies a hard and fast output, often round 13.8 volts. These fundamental chargers are not often utilized in motorhomes as of late, as a result of multi-stage chargers are usually not way more costly and are significantly better for the well being and lifespan of your battery. Fundamental chargers are usually not designed to be left linked long-term.

Multi-stage charger

A multi-stage charger supplies cost at totally different voltages and currents relying on the state of cost of the battery. These are additionally referred to as upkeep chargers, though not many are designed to be left linked permanently- it’s best to use a timer or disconnect and reconnect commonly.

Often there are 3 levels:

  • Bulk cost mode: offers a most voltage and present to recharge the battery rapidly. This often takes it to round 80% full.
  • Absorption: Provides a relentless voltage, however reduces present. Takes it to almost full cost.
  • Float cost: Provides lowered voltage and low present to maintain it close to absolutely charged with out injury.

You may get multi-stage prices with much more ranges, however the tough thought is identical.

Keep in mind that a battery wants a charger with an output of at the least 10% of the battery’s capability. For instance, a 100Ah battery will want at the least a ten amp charger. Any much less will scale back the capability.

How huge a battery charger do you want?

The larger the charger (16A as a substitute of 4A), the faster it’s going to cost up your battery. If you happen to keep in mind our earlier instance about needing to exchange 50% of a 100A battery, a 16A charger would do it in simply over 3 hours, whereas a 4A one would want 12.5 hours.

Photo voltaic Energy

Photo voltaic panels are available two primary varieties: monocrystalline and polycrystalline. The main distinction between the 2 varieties is measurement – a poly panel will usually be about 5% bigger than a mono for a similar quoted output.

Photo voltaic panels will be inflexible or flexible- for vans we suggest inflexible as they’re extra dependable and don’t typically should be walked on.

How huge a photo voltaic panel do I would like?

The reply to this has nothing to do with the scale of your motorhome leisure battery. It has to do with how a lot power you intend to make use of. A small campervan with only some LED lights will want MUCH lower than an 8m motorhome with a fridge, heating, a 12v motorhome TV and who needs to cost numerous electrical units. The commonest measurement of photo voltaic panel is 80- 100W.

Additionally, photo voltaic panels are not often pretty much as good as they are saying they’re. For instance, a 100W panel may technically produce round 8A, however in actuality it will likely be that good – 5 – 6 amps is perhaps extra life like. On cloudy days it’s even much less.

Motorhome using solar power to charge the leisure batteryMotorhome using solar power to charge the leisure battery
Motorhome utilizing solar energy to cost the leisure battery

Regulator for solar energy

In case you have a photo voltaic panel, you’ll need a regulator to manage the cost going into the battery.

A typical photo voltaic panel in full daylight may produce round 22 volts, which is simply too excessive for a 12-volt battery. The job of the regulator is to cut back this to a secure charging stage.

There are lots of totally different photo voltaic regulators obtainable. Cheaper choices embody easy cut up cost or fundamental fastened voltage charging methods; multi-stage charging is best when you can.

Some electrical items (reminiscent of Sargent) are capable of take the facility from the photo voltaic unit and to up each the leisure and engine batteries as required.These methods typically have a most photo voltaic wattage that they’ll deal with, so be certain that the panel you select doesn’t exceed it.

Dangerous scent when charging

Often, you would possibly expertise a ‘rotten egg’ scent when your battery is recharging. This often signifies that the battery is being overcharged. The scent comes from gasses being emitted. These gasses may probably ignite and trigger explosions.

If you happen to get this scent, test if the battery feels scorching to the contact. If is does, the battery is being overcharged and may very well be irreparably broken. Even with no scent, pay attention to the temperature of your battery whereas charging as a scorching battery usually means there’s a drawback.

All the time have a window open to permit gases to flee whereas the battery is charging.

DO NOT disconnect the battery from the charger whereas it’s plugged into the mains- this might trigger a spark. Disconnect the mains, then take away the charger.

How do you repair a battery which gained’t maintain a cost?

A trickle charger is one of the simplest ways to attempt to repair a leisure battery that won’t maintain a cost. Except it’s been run too low, wherein case, see beneath.

How do you revive a leisure battery?

If you happen to’ve unintentionally run your battery too low, sluggish cost it for at the least 24 hours and see if it revives. You are able to do this through a battery charger or plugging the motorhome into the mains.

Take the battery out of your camper, join it to a good battery charger, depart it on trickle cost for a few days (3-4 amps),then test the voltage.

If it’s not rising, the battery might be unfixable and you’ll need to exchange it.

Checking a battery’s cost stage

Many motorhome leisure batteries have a light-weight or show to point out the cost stage. They might not be 100% correct, but it surely offers you a tough thought.

A hand-held unit is usually extra correct, however pointless in most conditions. If you happen to use a hand-held meter, 12.7+v means absolutely charged, whereas 12v or beneath means discharged. 12.4v is about 50%

It’s also possible to use a hydrometer to measure the electrolytes within the cells. The studying must be between 1.1 (discharged) and 1.28 (absolutely charged).

Earlier than a studying, flip off all electrical home equipment, together with alarms, fridges and clocks that run off the battery. Failure to take action will end in an inaccurate studying. Additionally, don’t do a check for 4 hours after driving or utilizing a battery charger- a lately used battery will give the next studying

Secure dealing with of a Lead Acid battery

Battery gasoline is explosive. If it ignites, it might probably trigger burns or extreme accidents. ies and flammable and lead-acid is corrosive. Earlier than you go anyplace close to your lead-acid battery, do the next:

  • Put on acceptable protecting clothes, gloves and eye-wear. Be warned- the acid can injury clothes
  • All the time take away the detrimental terminal first when disconnecting a battery
  • By no means smoke or have a unadorned flame close to a battery
  • Sparks can generally happen when connecting up a battery and good high quality clamps are wanted. Momentary crocodile clips, typically equipped with battery chargers, are usually not appropriate for everlasting connections.

Different posts you would possibly discover helpful:

Got a motorhome, campervan or caravan? Want to know how to care for your leisure battery, how to charge it, maintain it and generally keep it going, especially in winter? Or worried about it losing or not holding charge? Here's everything you need to know about your motorhome leisure battery.Got a motorhome, campervan or caravan? Want to know how to care for your leisure battery, how to charge it, maintain it and generally keep it going, especially in winter? Or worried about it losing or not holding charge? Here's everything you need to know about your motorhome leisure battery.

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