DAMA 4 Pin Multi Purpose 30/20A Heavy Duty SPST Relay | Pack of 1

DAMA 4 Pin Multi Purpose 30/20A Heavy Duty SPST Relay | Pack of 1DAMA 4 Pin Multi Purpose 30/20A Heavy Duty SPST Relay can be used in various applications. This relay is used for high-powered retrofitted headlights or fog light systems but is also widely used for upgrading car motors, fuel pumps, fog horns, trunk solenoids, and cooling fans. A 4 Pin 12V 120/200A Split Charge SPST Relay is typically used in automotive and marine applications to manage the charging of multiple batteries in a vehicle or vessel. The primary purpose of a split charge relay is to isolate the starter battery from auxiliary batteries when the engine is not running, preventing the auxiliary batteries from draining the starter battery. Here are common applications for a 4 Pin 12V 120/200A Split Charge SPST Relay: Dual Battery Systems: In vehicles with dual battery setups, such as RVs, boats, off-road vehicles, and camper vans, the relay is used to connect the auxiliary (house) battery to the charging syste