Monitors up to 3 water tanks including grey water (tank sensor cables to be purchased separately) Suitable for metal and non-metal tanks.
Peace of mind when drawing power from or charging your expensive house-batteries
It also prevents the starting battery from being run down by your equipment when the engine is off. Battery isolator (or split charge relay) allows an auxiliary battery to be charged by the vehicle’s system, yet not participate in engine starting.
Stinger SGP32 200 AMP Battery Relay Isolator and Relay 1,075 54 26 99.99 Get it as soon as Tue, Apr 19 FREE Shipping by Amazon More Buying Choices 54. Equalises dual 12volt house-batteries during charging so neither battery becomes over charged or depleted. 1-16 of 297 results for 'battery isolator relay' RESULTS Price and other details may vary based on product size and color.Fully automatic charging of 12volt house-batteries from a 24volt alternator.