Widely apply for mine, open country, tunnel work, shipping, construction filed, rush to deal with an emergency
Battery:
Votage: 3.6V4.4Ah(Rechargeable) (Lead-acid battery)
Capacity: 3000mah
Cycle index: 500 times, after 500times, its capability is 75% of the orignal
Continuous illumination hours: 579934227211h, 7PCS LED