senses when the engine is running and allows the charge through to the auxilliary battery, when the engine is switched off it will separate and isolate the batteries guaranteeing sufficient power in the starting battery to start the vehicle.
Also available in 24 Volt.
FEAVSPC12 When the engine is running the 'Charge Guard' senses the voltage and allows the charge through to the auxiliary battery. When the engine is switched off the 'Charge guard' senses the voltage drop and separates and isolates both batteries. £47.75
FEAVSPC24 When the engine is running the 'Charge Guard' senses the voltage and allows the charge through to the auxiliary battery. When the engine is switched off the 'Charge guard' senses the voltage drop and separates and isolates both batteries. £55.00