Technical Parameter of miner safety lamp

(1).Charging Voltage:5V
(2).Rated capacity of Li-ion battery:2.8Ah
(3).Rated voltage:3.7V
(4)Operation current:
*High-beam light source:150mA
*Low-beam light source:60mA
(5)Work time:
*High-beam light source:18h
*Low-beam light source:35h
(6).Illumination(distance of 1 meter):2500Lux
(7).Charging time:
*Normal discharge:8h
*Completely discharge:10h
(8).Life of battery(circulation):500time≥80%C
(9)Total Weight(Including battery):130g
(10).Grade of waterproof:IP67