Built for the Getac T800, this lithium-ion main battery supplies 7.4 V output with 4100 mAh capacity. It serves as the device’s main power source when the AC adapter is not connected or when the device has not been charged, supporting T800 operation away from connected AC power. A battery icon on the back of the battery pack changes appearance to show the current battery state. The pack also alerts users when battery power is low, prompting action to help maintain optimal battery performance. Use this black T800 main battery where continued device operation without connected AC power is required. Part 541312210060 is a lithium-ion battery assembly for the T800 with 7.4 V output and 4100 mAh capacity.