Docooler Backup Battery for Samsung Galaxy Note II 2 N7100 External Power Bank Charger Case Stand Cover 4200mAh Rechargeable White (White)
Specifications:Input: 5V 0.5AOutput: 5V 0.5ACell type: Polymer lithium batteryCapacity: 4200mAhCycle life: 500 timesOperating temperature: -10 - +45 Celsius DegreeCharging time: about 1.5hMaterial: ABSProduct size: Approx. 16.3 * 8.3 * 1.7cm / 6.42 * 3.27 * 0.67in (L * W * Max. T)Product weight: Approx. 111g / 3.91ozPackage size: Approx. 17.2 * 9.4 * 3.5cm / 6.77 * 3.7 * 1.38in (L * W * T)Package weight: Approx. 201g / 7.08ozHow to use:1. Slide your phone into the backup battery cover and make sure that your phone is well connected to the male micro USB dock connector on the power bank case.2. Press the ON/OFF switch for long time(3-5 seconds) to activate(or to stop) charging, and confirm the charging signal on your phone.3. Press the ON/OFF button once to check how many battery capacities are left.(1LED: ≤25%, 2LED: ≤50%, 3LED: ≤75%, 4LED: ＞100%)Package includes:1 * Power bank case(Accessory ONLY, phone not included)1 * English user manual