How to charge safely:
1. Connect the wall charger to AC socket first, and the led of the charger will light green.
2. Then connect the charger with battery. Will not charge? Please contact seller immediately to replace a new charger.
Modle: NB7101.
Capacity: 25.9V 2.5A h or 3.7V /17500mAh. It' s just a different way of calculating, actually the same capacity. Total 64.75W h.
Output: DC1
(5521): 29.4 -21V/3A max.
DC2 (4017): 19.5V /3A max.
USB-A: 5V/ 2.4A 12W max.
Compatible with most Laptops, Notebooks, LED strip light products, CCTV Camera, LED Panel, Modem, Speak, Car DVR, etc. We Provide 12 Kinds of Connector for Most of the Popular Laptops, please Make Sure the Connector Fits for Your Laptop before purchasing.
Please use a 29.4V charger for charging. If you have any questions, please contact us to get support, we will do our best to help you. Will not charge? Please contact seller immediately to replace a new charger.