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Painless Dual Battery Control System

Painless 40102 Painless dual battery control system.

This controller includes 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.


250 amp solenoid.


Preterminated wire/connectors.

Fuse holder.

Fuse and mounting hardware.

Painless 40102 dual battery control system PAINLESS-PERFORMANCE-40102$218.97
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