Automatically combines two batteries when charging and isolates the two batteries when not charging, which can widely used in 12v camper van trucks, caravans, and camping applications. When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery.
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5.5V Mini Small Solar Panel Module Kit Multifunctional Solar Battery Charger Silicon for DIY Toy Board
Aliexpress UK
Adaptive 3-phase Charging : Bulk, Boost, and Float. Maximum solar input current: 20A. Compatible with Multiple battery types : AGM, GEL, Flooded, and Lithium. 1 x 500mm RED 70amp READY MADE cable Relay to fuse holder lead.
eBay
Portable Solar Panel USB 12V Charger Mobile Phone Folding Kit Foldable Outdoor Camping Power Bank For iPhone Charging Battery
Aliexpress UK
When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery. So it does not drain your main starter battery and you will always be able to start your vehicle.
eBay
7.4V 12000mAh 6000mAh Lipo Battery with Charger set For T188 T888 2011-5 V007 C18 H18 Remote Control RC Fishing Bait Boats Parts
Aliexpress UK
Maximum solar input current: 20A. 1 x 500mm RED 70amp READY MADE cable Relay to fuse holder lead. 2 x 250mm RED 70amp READY MADE cable from Battery to fuse holder lead. Compatible with Multiple battery types : AGM, GEL, Flooded, and Lithium.
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New Battery 48v 40Ah 18650 Lithium Ion Battery Pack 13S2P Bike Conversion Kit Bafang 1000w and 54.6V 2A Charger
Aliexpress UK
The kit is also supplied with 1-10mtrs of negatie cable so earths can be run back to the starter battery if needed. 1-10mtrs split conduit to protect cables. 10 x 25-8T.
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Lithium Li-ion 18650 3.7V 4.2V Battery Charger Board DC-DC Step Up Boost Module TP4056 DIY Kit Parts
Aliexpress UK
Automatically combines two batteries when charging and isolates the two batteries when not charging, which can widely used in 12v camper van trucks, caravans, and camping applications. When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery.
eBay
1000W Solar Panel Kit - Flexible Foldable Photovoltaic System USB Charger & Battery for Camping & Outdoor Power
Aliexpress UK
When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery. So it does not drain your main starter battery and you will always be able to start your vehicle.
eBay
6-fold Solar Panel Charger Portable Power Bank with USB 5V DC Outdoor Emergency/camping Travel Mobile Energy Kit
Aliexpress UK
Built-in LED indication (lights up when VSR starts). When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery. So it does not drain your main starter battery and you will always be able to start your vehicle.
eBay
12v solar panel aluminum frame 480w 450w 320w 300w 160w 150w lightweight photovoltaic panel 12v battery charger kit for camper
Aliexpress UK