... Use the safety, no pollution, no memory lithium-ion battery, and the capacity is up to 2400mAH; ... the safety, no pollution, no memory lithium-ion battery, and the capacity is up to 2400mAH;2. ... lithium-ion battery built-in overcharge & over discharge protection circuit ... life, can be used circularly 1000 times above;3. With 1W high power LED electronic spotlight, low ...