Approximately operating times: 4 hours with 100% brightness, 5 hours with 50% brightness, and 8 hours with flashing mode.
Green -- 100~75% Bule -- 75~50% Yellow -- 50~25% Red -- 25~5%
Flashing Red -- 5% to Off
Waterproof rating IPX4
Battery: 2 18650 lithium batteries, 3.7V/4400MAH
Comes with a microUSB charging cable
4*18650 Li-ion batteries: 8.4V/4400MAH
Batteries lifespan: 500 cycles of charging and discharging
The battery capacity will fall by less than 10% after 500 cycles of charging and discharging.
Includes a small protection circuit board with over-charge, over-discharge and short-circuit protection function
Charging time: 4-5 hours
We recommend that light head and battery pack should be separated for long-term storage
We recommend that the batteries should be charged every half a year to prevent over discharge during long-term storage