12 Volt Planet
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12 Volt Planet
We provide 12v & 24v electrical supplies for vehicle, boat, yacht, leisure and off-grid wiring projects to both trade & DIY users. Our huge range includes automotive and marine cable, terminals & connectors, fuses, relays, cable management products, power sockets, junction boxes, switches, tools, warning lights, towing accessories, assortment kits, LED work lamps, flood lights & interior lights, solar panel kits, multi-stage battery chargers, inverters, 240V hook-up products and much more, all at great prices.
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If you have a campervan, motorhome, caravan, boat or other vehicle that has a deep-cycle auxiliary or leisure battery (or batteries) installed then you will want to be able to re-charge it from mains power when available (e.g.

Fixed voltage battery chargers won't achieve full re-charging of a leisure battery because the lead plates are thicker, so charging has to take place in controlled stages with the voltage level being automatically adjusted throughout to ensure full charge absoprtion.This is where dedicated multi-stage or 'intelligent' chargers need to be used to ensure your battery receives a full, deep charge and its serviceable lifetime is maximised.
Battery-To-Battery chargers (also commonly know as DC-DC chargers) allow you to charge an auxiliary / leisure battery from your alternator whilst driving.

They are installed in-line between the positive terminals of two batteries (one of which is connected to an alternator, typically a starter battery) and offer several benefits when compared with traditional split charge systems that utilise a Voltage Sensitive Relay (VSR) or heavy-duty, alternator-triggered relay.Direct alternator charging used in a traditional split charge system with a VSR will only achieve around an 80% charge state.
DC-DC chargers (also commonly know as Battery-To-Battery chargers) with built-in MPPT Solar controllers allow you to charge an auxiliary / leisure battery from your alternator whilst driving, and from your solar panel when parked-up. These units offer the same benefits as a separate DC-DC Charger and an MPPT solar controller, but in a more compact footprint and requiring fewer cables.
These three-way chargers offer the ultimate all-in-one charging solution for your campervan or motorhome leisure batteries.

They can manage multiple charging sources thanks to their combination of a battery-to-battery (DC-DC) charger, an MPPT solar controller and a mains-powered charger, enabling you to charge from your vehicle's alternator whilst on the move, from solar panels whilst wild camping or from an AC mains hook-up whilst on-site or in storage.
Discharging your battery to very low levels can cause irreversible damage, reducing its performance and ability to hold charge. Battery guards prevent this excessive discharge by disconnecting the battery from loads in an under-voltage situation. They also disconnect the battery in an over-voltage situation, so protecting sensitive electronic appliances from damage resulting from faulty alternators or chargers.
Reviews (9)
Ian Knight
Ian Knight
Jan 19, 2022
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Delivered on time, easy to order and exactly as described.
Quality is excellent and easy to fit, work great on the boat
Mark S.
Mark S.
Nov 28, 2021
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Have used this company many time & they are a good business & sell quality products, however they need to review their postage costs, minimum £4.95 even if like me you forgot to add one piece of wire to your last order, this added up to almost half the cost of the order.
Come on guys, it doesn’t cost you £4.95 in a padded envelope second class stamp or your time. You need to charge for the actual costs, not be making profit from postal charges.
I have been fair & left you a 5 star review based on service, products & staff.
For small products postage cost you should get 1 ⭐️ star.
Mark
Ian Ronald
Ian Ronald
Sep 25, 2021
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Sad to be writing this as up to now have been very pleased with products from 12v planet and have recommended the business. Will seem petty but a £28 LED light I bought has leaked despite being IP67 rated. Out of warranty so 12v planet couldn't care less. No interest in trying to work with me to sort. If the products work for you great, but if there is an issue then zero interest in trying to solve it. Poor customer service.
Hilary George
Hilary George
Oct 29, 2020
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Positive: Professionalism, Quality, Responsiveness, Value
Professional from answering the phone. I rang to check the order and left a message, the return call came within the hour which I was pleasantly surprised by. My goods arrived within 3 days and good quality. All good value for price paid. i will use you again.
Abou Benadam
Abou Benadam
Aug 13, 2020
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Great place, they really know their stuff, I'm dangerous when it comes to DIY, mix that with electricity and I'm dam well lethal, light touch and paper, stand well back sort of thing, all I knew was I needed wire for my Off-grid solar project and that's it, however the chap on the phone recognised my mental short comings and so he knew all the right questions to ask, like do you have a carer lol. End result? He ordered all that I needed, gave me some good advice and my order arrived in a timely fashion, I even managed to wire everything up and as a special Brucie bonus I didn't die or blow the
Phil Coombs
Phil Coombs
Jun 28, 2020
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Bought 6 lights which were not fully described regarding function and now i have a set of expensive lights i cant use, fitted as courtesy lights in vw kombi, lights default to off when doors shut so dont come back on when doors open again. Poor customer service and did everything to avoid returning lights or offering an alternative.
Toby Powell
Toby Powell
Jan 01, 2020
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Ordered a selection of crimps, sockets and heat shrink, arrived quickly was really well organised, labeled and packaged. Had to change my order last minute and the staff sorted quickly and hassle free. Will def be the first choice for 12v stuff in the future and highly recommend.
Green Man
Green Man
Oct 25, 2019
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Just excellent customer service.
Impulsively bought something online that I later discovered I might not need. I phoned the company and someone spent about five minutes talking me through the technician issues, then explained about the straightforward return procedure.
I followed the return procedure online, returned my package and was refunded instantly.
Exactly the kind of honest, responsive business I am happy to recommend. Thank you, 12v Planet!
Jim Bold
Jim Bold
Jul 04, 2017
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I've used these guys several times over the past few months and the quality of the products has been excellent.
I've had one occasion where they shipped the wrong items, it was dealt with in a very friendly and professional way and I had the correct items a day later, no complaints with the service.
A great company to deal with.