... -3 rechargeable batteries; Specifications:1. Material : T6061 Aviation aluminum alloy, hard oxidation treatment. 2. Voltage : 5.0-12.6V (in this ... voltage range, use other voltage battery damage the flashlight, the factory is not ... 120-900 lumens. 4. Lamp life : ≥ 100,000 h5. Battery : 2-3 pcs 18650 Li-ion, 3.7v&3000mAh per pc. 6. Color : black, silver, bronze ...