Description:<br>Compatible with: DOOGEE X5 and DOOGEE X5 Pro smartphoneVery 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: 3.7VCharging voltage limit: 4.2VCapacity: 2400mAh <br>Package Included:<br>1 x 2400mAh Battery for DOOGEE X5 X5 Pro