TBB Power Co.,Ltd products

BG2K constantly monitors the available battery voltage when the engine is not running, if the battery voltage falls below 24.1V (or 12.1V), a voltage sensitive timer in BG2K ECU is triggered. If the battery voltage remains below 24.1V uniformly for a full 4 minutes, the ECU will pulse the latching relay and the battery will be isolated to guarantee the starting power.