Painless Dual Battery Control System

Painless Dual Battery Control Systems include a three position switch to control the second battery through the operation of the solenoid. Switch position one isolates the second battery. Position two connects the battery while the ignition is on. Position three connects the second battery at all times. Kit includes solenoid, switch, pre-terminated wire/connectors, fuse holder, fuse and mounting hardware. For systems exposed to the elements, such as marine, use weatherproof kit 764-40103. Rated for 250 Amps.