2023 updated longer battery life version!

1: 300 mA lithium polymer battery
2: Lighting time: 1.5~4 hours
3: Charging interface Type-C
4: Material: aluminum alloy+PC
Endurance
200 mAh: weakened in about 50 minutes and extinguished in about 70 minutes
300 mAh: weakened in about 60 minutes and extinguished in about 90 minutes
500 mAh: weakened in about 150 minutes, and extinguished in about 200 minutes