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Simply Split Charge
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About us
Simply Split Charge, here to help you with everything you will ever need for your mobile power and charging solutions, for work and for play.
We only supply the very best UK supplied quality parts, at the best prices we can. With over 15 years experience fitting and supplying split charge systems, we know that only fitting the best products will do.
With the largest range of split charge relay kits you will find, you will find a kit or system with us that will suit both your needs or your budget. We are here to help you choose the right kit first time to safely charge a leisure battery for whatever you need it for. We do not claim to be the cheapest but know that you will not find a better kit that contains the same quality of components including everything and more that you will possibly need, to simply make up and install a split charge system.
With our most popular FREE made to measure kits, you are supplied with all the leads made up for you. All you have to do is bolt everything together using our simple to understand fitting instructions and great after sales support if required saving you both time and money on expensive tools and fitting expenses.
Please see below a basic guide to our split charge systems and help and advise to hopefully help you choose the right kit, first time.
The reason to install a split charge system
The main reason to install a split charge Relay kit in your vehicle, is to charge a second or leisure battery while you are driving. This means you will have enough power or charge in your second battery to use it when you are stopped, camped or working, to use whenever you need it. It will isolate the second battery from the main or starter battery of your vehicle when you are stopped. This will then ensure the main battery doesn’t get drained of power when you are stopped, so you will always have enough power in your main battery to start your vehicle. So basicly whenever the vehicle is started the relay will allow power from your... show more vehicles charging circuit usually known as the alternator or generator to charge the second battery or batteries.
A split charge relay explained
A Split charge relay is simply just a heavy duty switch which is controlled by either the vehicles ignition system, a simple on off switch or the more modern voltage sensitive relays which are the Simplest to install, has a small electric circuit in the relay which detects the rise in voltage when the vehicle is started. It doesn’t matter which type you use as they all do the same job. When they are switched on they allow power to pass through the relay to charge the second or leisure battery and when they are switched off they isolate the main battery from the second battery so like I explained above will always ensure you have enough power to start the vehicle. We offer three very simple to install Split Charge Systems
Intelligent (VSR) Voltage sense Relay Kits
The voltage sensed relay kit we supply is the simplest to install. There is no need to supply a switch or ignition feed to control the relay as they work on the rise and fall of the voltage from the alternator when the vehicle is running. The relay cuts in to allow power to charge the axillary battery at approx. 13.3 volts and cuts out to isolate the axillary battery at approx. 12.8 volts. All you have to do is fix all the split charge kit components into you vehicle and connect them all together from your starter battery to your second/leisure battery.
We offer a made to measure option for all the voltage sense split charge relay kits. When you receive the kit all the leads will have been made up ready, so all you have to do is bolt everything together. This has got to be one of our most simplest to install and popular kits as it will save you time and money to as you will not require any extra specialist tools or crimping pliers.
Standard Heavy Duty relay controlled Systems
The ignition or switch controlled split charge kits are a bit more complicated to install but not too difficult. The relay is simply controlled by a 12v feed which can be taken from the alternator warning light wire, any positive ignition feed when the vehicles ignition is on or even just a simple on/off switch but if using the switch method its important to remember to switch it off when you stop to ensure the batteries are isolated so the starter battery isn’t drained.
Leisure Split Charge Systems
All of our lower priced Leisure kits are all supplied with 42amp cable. This type of kit can be supplied with either a heavy duty 100amp switched relay or a 70amp (VSR) voltage sensitive intelligent relay depending on the the type of kit required. All our (Value) kits can be supplied from 2mtrs to 8mtrs and are a great way to charge any 85amp or 110amp leisure battery on a budget, This type of split charge relay kit are ok for all Day Vans, Camper Vans, Mobile Workshops, Boats and cars using light domestic 12volt auxiliary power for, Lighting, Fridges, Battery Chargers, and most camping and leisure products.
Pro Leisure Split Charge Systems
All of our(professional)Leisure Split charge kits are all supplied with 70amp(10mm2)cable. These kits can be supplied with either a heavy duty 100amp switched relay or 140amp (VSR) voltage sense intelligent relay and can also be supplied from 2mtrs to 8mtrs. We also offer a kit with ready made leads for very simple installations on the (VSR) system. This type of kit is great for charging 85amp to 110amp leisure battery(s) and like our (leisure) kits are great in all Day Vans, Camper Vans, Mobile Workshops, Boats and Cars. This type of kit can allow you to charge your leisure battery(s) at a much higher rate safely, so can be used on all systems using low power amps and inverters
Pro Heavy Duty Split Charge Systems
All of our (professional) Heavy Duty Split charge kits are all supplied with 110amp(16mm2)cable. These kits can also be supplied with either a heavy duty 100amp switched relay or 140amp (VSR) voltage sense intelligent relay and can also be supplied from 2mtrs to 8mtrs. We also offer this kit with ready made leads for very simple installations on the (VSR) system. This type of kit is great for charging 85amp to 110amp leisure battery(s) and like our (leisure & Heavy Duty) kits are great in all Day Vans, Camper Vans, Mobile Workshops, Boats and Cars. This type of kit can allow you to charge your leisure battery(s) at a much higher rate safely, so can be used on all systems using higher drain electrical items, like amps, inverters, winches and high power motors in professional vehicles.
Pro X-Heavy Duty Split Charge Systems
We also offer a Very Heavy Duty Kit Supplied with 170amp (25mm2) Cable. This kit is supplied with a very heavy duty 180amp (VSR) voltage sense relay. This kit can be supplied from 2 mtrs to 8 mtrs. This type of kit is suitable for charging systems with multiple banks of batteries or to use with very high power winches and motors so are great to use in all mobile workshops, industrial vehicles and 4x4s.
All of the above Split charge kits or parts we supply are all top quality, UK supplied and fully tested E approved parts.
Simply Split Charge are a small family run business offering one of the largest range of split charge kits and systems we think you will find on eBay, or anywhere else. We know and understand that one kit does not fit all. If you cant find the type of kit or system you need or require any help or advise on which kit will be best for you then please contact us.
For a human then please call our office on 01235 203698 Monday to Friday 9am to 5pm show more
Hours of operation
Monday9:00AM - 4:00PMTuesday9:00AM - 4:00PMWednesday9:00AM - 4:00PMThursday9:00AM - 4:00PMFriday9:00AM - 4:00PMSaturday9:00AM - 1:00PM
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13 recommendations and reviews from 9 people
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Referral from
December 11, 2017
Craig F. asked:Hi guys can't seem to find 42amp 6mm battery cable from anywhere! And I can only seem to buy it in ten meter rolls online does anyone know where to get it on the high street? Or if anyone's got some and wouldn't mind making up a 4m cable with the connector in the image each side? Just give me a price, thanks guys!Sarah W. replied:Www.simplysplitcharge.co.uk
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Referral from
June 5, 2017
Paul O. asked:I'm looking for a split charge relay system for my vw t4, anyone have any suggestions on what one might be best, where to get it from and how long of a cable do i need? Looking to have a 110ah battery under the drivers seat.....any one have any suggestions on what battery would be good to go under the seat? Thanks guys :DScott B. replied:http://www.simplysplitcharge.co.uk
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Referral from
October 7, 2016
Emma L. asked:Just got a quote for a leisure battery (to be housed next to the current battery under the drivers seat of my transit); relay switch, fuses, and 2x usb sockets and 1 cig charger. £703.20! Seems steep to me, but no idea where to start on the electrics on my own. Anyone have any advice/diagrams/links to help me try and do it DIY? Thanks in advance!Andy M. replied:http://www.simplysplitcharge.co.ukAndy M. replied:Way over price 110 amp leisure battery £80, simply split charge kit simple instructions £60 (ish few variations) £140 all done very very simple. And I thought £140 was enough!Phil P. replied:Yep Simply split charge. Came with parts and instructions.John W. replied:Yep that's ridiculous. Have a word with these guys www.simplysplitcharge.co.uk
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Referral from
September 9, 2016
Paul D. asked:Hi all, well I'm getting to the 'start stage' with a lwb crafter and I want to while I insulate, flood it with 12v wiring. Where's the best place on line to buy and do you have a any pointers? I want led spots in the ceiling plus and couple of usb points. I have a smev hob/sink so I'll need to wire that for the ignition and water pump and the feed to the fridge. CheersTimothy B. replied:http://www.simplysplitcharge.co.uk
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Referral from
March 21, 2016
Tom L. asked:Can anyone recommend a good split charge relay kit? At a reasonable price? I dont just want to buy the cheapest one on ebay as it will probably be low quality. CheersSimeon B. replied:People on here seem to recommend durite. I ordered one from www.simplysplitcharge.co.uk this morning. I needed to make a slight change to the kit I wanted so called them, they were very helpful and friendly (a small family business).
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Referral from
June 17, 2015
Jon S. asked:Evening all. I am looking for someone who can supply and fit a leisure battery to my T5 including wiring up to my internal lighting. Any recommendations would be greatly appreciated. I am located at Benson, Wallingford.Mark C. replied:https://www.facebook.com/pages/Simply-Split-Charge/543763782326828
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Referral from
April 27, 2017
Simon B. asked:Hi all I'm looking for a split charger but unsure what i need? ) I have 1 110amp leisure battery but may add another and in time going to add solar panels.. can anyone advise? CheersMark K. replied:Simply Split Charge are really good. Just get a full kit from them then you don't need to make up any cables or anything. Just put them all together. Durite have recently changed the voltage range of their 140A VSR so i went with the M Tech one. Same price but will give you a bit more charge before it cuts out. http://www.simplysplitcharge.co.uk/
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Referral from
April 14, 2017
Ady M. asked:What size cable do I use to set this up and where can I get the cable from? Thanks in advance for any helpMark K. replied:Have a look at www.simplysplitcharge.co.uk will tell you everything you need to know and sell you the cable.
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Referral from
December 12, 2016
Tim S. asked:Wondering if anyone can help. I'm looking for a split charge relay capable of handling 3 x 110ah batteries but can't seem to find anything man enough for the job. Any advice please? TiaJohn W. replied:Speak to these guys. They're the experts. www.simplysplitcharge.co.uk
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Referral from
October 1, 2016
Steve G. asked:Recommendations for spilt charger and inverter please people?John W. replied:Have a look here mate. Split Charge Kits & Systems www.simplysplitcharge.co.uk
Recommendations from Mark K.
Recommendations from John W.
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