2023 updated longer battery life version!
1: 300 mA lithium polymer battery2: Lighting time: 1.5~4 hours3: Charging interface Type-C4: Material: aluminum alloy+PCEndurance200 mAh: weakened in about 50 minutes and extinguished in about 70 minutes300 mAh: weakened in about 60 minutes and extinguished in about 90 minutes500 mAh: weakened in about 150 minutes, and extinguished in about 200 minutes