MA98504 | MATSON 13.3V Dual Battery Kit With Emergency Parallel Switch

Automatically isolates the starting battery from the auxiliary battery
Suitable for 4X4, Marine, Truck, Caravan & camping applications
No need to modify vehicle wiring
Kit contains all components required to complete the job
Voltage sensitive relay rated at 140 amps
Proven reliability over many years
Easy to install
12 months warranty