GEG-34B 1. Product Description: This product is the Universal USB battery pack, Applicable for all digital devices charged by USB port 2. Configuration This product made up of 2pcs Lithium battery,1pcs PCB board, and housing. Color: argent Weight: 130g Material: crust aluminum Dimension: Lmax100mm×Wmax62mm*Hmax16.4mm Button: the output voltage and capacity checking indicated through the same button Indicator: 5 green LED to indicate the capacity Charge Tip: mini USB Discharge Tip: USB 3. Technic Parameter Capacity: 3400mAh Cell Voltage: 3.7 V Input Voltage: 5.0V±0.5V Input Current: 1000mA max Output Voltage: 5.5V±0.2V Output Current: 700mA Over Charge Voltage: 4.30V±0.05V Over Discharge Voltage: 2.4V±0.1V Short Circuit Current: 4A/3.7V Over Discharge Recovery Voltage: 3.0V±0.1V Cycle life: e300 times Self Cost Current: d300uA Cycle type: Lithium polymer 4. Function & Usage Charge Charge for battery pack by USB DC5V, the green LED intelligent indication during charging, all 5 LED light in green when full charged. Discharge Connect the device and battery pack by USB cable, it’s work after pressing the button 5. Safety Certification FCC CE 6. Accessories NULL 7. User Manual and Package Package: blister clamshell + insert card User Manual: card printing