... -- Cree T6 ; 2. Professional ourdoor lighting with extension tube; 3. 2-3 rechargeable batteries; Specifications:1. Material : T6061 Aviation aluminum ... . 4. Lamp life : ≥ 100,000 h5. Battery : 2-3 pcs 18650 Li-ion, 3.7v&3000mAh per pc. 6. Color : black, silver, bronze ... function.Intelligent charging: charger adopts chip controlled charging with a constant current, constant voltage charging, overcharge ...