Everything You Need To Add 100w Of Solar To Your 12v set up

Updated: Jun 1





Hi everybody, we're back with another quick but hopefully helpful post


If you have a leisure battery with no built in way to keep it charged you might have noticed that they don't last for long. One of the easiest, cleanest, simplest and most probably cheapest solutions to this is adding solar panels and a charge controller to your set up.


This isn't a one stop solution to all of your recharging needs as they do have limitations. They are not great on cloudy days, can't charge your batteries at night and in winter they are less effective however for the majority of the time they are an awesome way to keep your batteries topped up.


For the winter I would think about installing a B2B charger for vehicles or a 600w wind turbine for non mobile applications. For more info in these option please check out the posts below.





HOW MUCH JUICE WILL A 100W SOLAR PANEL PUT BACK INTO YOUR BATTERY?


This all depends on the time of year but roughly in the summer it will top your battery up by 58.4 ah however in the winter it would only top your batteries up by 6.6ah that is a huge difference


This would be a perfect size solar set up for somebody with either 100ah or 110ah batteries. For any larger this set up will help but not fully recharge your battery even in the summer.


To add this set up to your 12v system it is pretty simple and you will only need a few extra bits and pieces, all are listed below.


The first thing you will need is a 100w solar panel



Renogy 100 Watt 12 Volt Monocrystalline Solar Panel




https://amzn.to/30hiend




Next you will need a solar charge controller. As it is only a 100w solar panel then the correct size solar charge controller to use is 10 amp. There are lots of different units to choose from but there are 2 different types MPPT (the good one) or PWM (the cheap one)


MPPT are so much more efficient but cost a lot more so it is all down to your budget I guess.



EPEVER MPPT 10A Solar Charge Controller 12V 24V Auto





https://amzn.to/33r7apB




To connect your solar panel to your charge controller you will need some solar cable and a 10 amp inline fuse.


NUZAMAS Pair of 5m 4.0mm Single Core Extension Cables with connectors (Male and Female)



https://amzn.to/39M7f8s




Ficocean 1Pair MC4 Solar Panel Inline Fuse, 10A




https://amzn.to/2XhCiUn





The next thing you will need is some cable and an inline fuse to attach your battery to your solar charge controller. For this I use these.


TUOFENG 12 Gauge Wire




https://amzn.to/30gwE6J





RKURCK 12V-24V DC 30 Amp Circuit Breaker




https://amzn.to/3k0Rv68




and the last thing you will need is sum lugs to connect your cables to your battery terminals



60PCS Bolt Hole Tinned Copper Terminals Set-Wire terminals Connector Cable lugs




https://amzn.to/2PbgyF9



So that is all you will need to get the solar working and your batteries charging but here are a few things you might find helpful.



7 Piece Solar Panel Mounting Bracket White Rectangle Set Kit Adhesive Bond For Caravans, Motorhomes, Boats & Any Flat Surface




https://amzn.to/2EyHEnD






Renogy Solar Panel 4 Pieces of Z Holder for Mounting Solar Panel Roof Mount Z Bracket with Nuts and Screws for Motorhome, Boat, Roof, Wall and Other Off-Gird Roof Installation




https://amzn.to/315ujLf





Offgridtec 006415 Roof Duct Dual Black For Motor Home Caravan Boat Solar Cable Duct


https://amzn.to/315uxlz





Solar Panel Brackets Black ABS Solar Panel Mounting Brackets 7 Drill-Free Corner Bracket Support Kit for Wood Frame RV Boat Campers Caravans Hood (Corner Bracket,Side Bracket,Cable Entry Gland)





https://amzn.to/2Da6KsF





Lowenergie Adjustable Angle Solar Panel Mounting Brackets Frame Shed Caravan Boat or Ground Mount




https://amzn.to/3ghtl57





Renogy Solar Panel Bracket Pole Mount







https://amzn.to/2PcZOxt







Renogy® 5 Pair MC4 Male/Female Solar Panel PV Cable Connectors Double Seal Rings for Better Waterproof Effect





https://amzn.to/39KB2Ou





Ok so thats about it from us for now, we hope you all enjoyed it and found it useful

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