LED's on the side provide visual indication of battery level. Built in protection protects the battery from over-voltage, under-voltage, over-current and over-temperature. Compact size of 3.35 x 2.17 x 5.51 inches (8.5 x 5.5 x 14 cm).
- Weight 1.67 lbs (760g)
- Standard D-Tap socket
- Operating environment: temperature range -20～+45℃; Relative humidity < 85%