Description:<br>Very suitable for your mobile phone， can solve the problem of mobile phone suddenly without electricity for you.Ii is the best choice for back-up power.Type: Li-IonOutput Voltage: 3.8VCharging voltage limit: 4.35V 9.5WhCapacity: 2500mAh (The label has been changed， from 3000mAh to 2500mAh.)Compatible with: ECOO E04 and ECOO E04 Plus Smartphone<br>Package Included:<br>1 x 2500mAh Battery for ECOO E04 and ECOO E04 Plus