... aluminum alloy, hard oxidation treatment. 2. Voltage : 5.0-12.6V (in this voltage range, use other voltage battery damage the ... Lamp life : ≥ 100,000 h5. Battery : 2-3 pcs 18650 Li-ion, 3.7v&3000mAh per pc. 6. Color : black, silver, bronze ... to prevent charging, short circuit protection function.Intelligent charging: charger adopts chip controlled charging with a constant current, constant voltage ...