3m Ready Made Split Charge Relay Kit 12v 140 AMP VSR 110a 16m² Lead T4 T5 Camper
A beginners guide to leisure battery charging and wiring. - YouTube
VEVOR Split Charge Relay Kit, 6mtr 12V, Automatic Dual Battery Isolator Kit with 140AMP Voltage Sense Relay VSR, Compatible with RV Marine Car Vehicle Truck Caravan Camper Yacht ATV UTV Boats Workshop :
The Ultimate Guide to Campervan Split Charging Systems
12v 180A Voltage Sensitive Split Charge Relay [ALM Part Reference - 160740] - £68.88 : ALM Solutions, Auto Electrical Parts and Accessories for Cars, Boats, Caravans and Campers