The battery is charged through the vehicles 12-volt socket. The connector has our intelligent comfort indicator (Part No. 56-870) which shows how much power is left in the battery.
Note: The socket in the vehicle must be live when the ignition is in the “off” position to charge your battery using this accessory.
Compatible with CTEK US 0.8, MULTI US 3300, MUS 4.3, MUS 7002, MXS 5.0 Lithium US, and CT5 Time To Go