📐 Size : 29.1 x 12 x 5 cm (or) 11.4 x 4.72 x 1.96 inches

✅ Battery specification: 3.7V 2200mAh

✅ Charging voltage: 5v

✅ Charging current: 0.5A

✅ Battery duration: about 4 hours

✅ Working temperature: 10~45 degrees

✅ Charging voltage and current: 5V/1A

✅ Working voltage: 3.4V-4.2V

✅ Working current: 0.2A-9A

✅ Battery specification: 3.7V 2200mAh

✅ Working time: ≥4H

✅ Working temperature: 10~45 degrees Celsius