Battery type: 18650 Lithium-ion
Voltage:
Working: 7.4V
Peak: 8.4V
Cut-off: 5.6V
Capacity: 4, 800mAh (17.76Wh)
PCB installed with battery pack and protects from overcharge (greater than 8.4V), overdischarge (less than 5.6V), overdrain (greater than 9A) and short-circuit
Pre-wired: 6 inches 20AWG wire installed on battery pack
Maximum discharge rate: 7A, limited by polyswitch
Size: (L) 72 x (W) 65 x (H) 18mm
Weight: 200g

Warning:
Battery pack should be placed on fire-proof place to avoid any accident
Always charge battery with attention
Please check battery polarity before plug battery into light
Never make wrong polarity connection