3 Sections 18650/26650 IPX7 Waterproof Battery Box with 16.8v Round Head & 5v USB Connector Output Voltage Does Not Include Battery(Black)

1. This battery box has XP7 waterproof function. 2. There is no need to spot welding the battery, which greatly reduces the internal resistance of the battery and improves the battery discharge performance, thereby effectively increasing the battery life. 3. Easy to use, using 3 18650/26650 lithium batteries. 4. With DC connector input and output voltage of 16.8V. The USB connector has an output voltage of 5V and a current of 2A, which can charge the phone. (The voltage of battery input and output has an error of ??±0.2V) 5. With power display function. (3LED indicator light) 6. Net weight: 220G 7. Gross volume: 260G 8. Ruler inch: 95X64X64mm Battery specifications: 18650×3/26650×3 Specifications: 1. Input voltage: 16.8V 2. Overcharge protection voltage: 16.8V 3. Over-discharge protection voltage: 8.4V 4. Over-discharge protection current: 9v 5. Standby current: 80ua 6. USB maximum output: