... for army, field working, travel,mineral, road, railway, house use.Specification: Model: HCP-5L Type A ,Type B Name: Solar ... . Life time:3-5yearsSolar battery: high efficient battery module(3.7V 1200mA)Storage battery: Lithium battery (Type A), Nickel-Hydrogen battery (Type B)Lamp-house ... recharge the torch under strong sunshine when you do not use it. far range long work time highlight aluminum alloy ...