6 Sections 18650 Battery Multi-function Mobile Power Box with 8.4v Round Head & 5v USB Dual Volta...

1. This battery box has XP7 waterproof function. 2. No need to spot weld the battery, which greatly reduces the internal resistance of the battery and improves the battery discharge performance, thereby effectively improving the battery life. 3. With DC connector input and output voltage 8.4V. The USB connector has an output voltage of 5V and a current of 2A, and has the function of charging the mobile phone. 4. With power display function. 5. Net weight: 172g 6. Weight with packaging: 195g 7. Size: 11.5x8x5.7cm 8. Six-cell battery box: two interfaces, 8.4v can output and input, 5v output, can be put into 18650 as a charger, can be used as a portable battery box, charger, power supply for bicycle lights, USB lights and so on. Product Specifications: 1. Overcharge protection voltage: 8.4v 2. Over-discharge protection voltage: 5v/ 3. Current over-discharge protection voltage: 9v 4. Standby current: below 10ua/ 5. USB maximum output: 2000ma