Universal Laptop Battery 5500mAh--L55

This is a universal external battery pack.Applicable for 80%,models of  laptop,compatible with all digital devices charged by USB port,this product made up of lithium battery,1pcs PCB board,and housing.

Capacity: 61WH(5500mah) Cell Voltage: 11.1 V
Input Voltage: 16V,19V Output Power: 60W max
Output Voltage: 5V,16V,19V Discharge Time: 120minute (16V)
Over Charge Voltage: 4.30V±0.05V Over Discharge Voltage: 2.3V±0.1V
Cycle life: ≥300 times   Charge Time: 3 hours
Cycle type: Lithium polymer 

Color: black    
Weight: 500g   
Material: plastic   
Dimension: Lmax185mm×Wmax126mm*Hmax13.5mm   
Button: the output voltage and capacity checking indicated through the same button.   
Indicator: 5 blue LED to indicate the capacity.   
Switch: Voltage switch(16V,19V)   
Charge Port: DC port   
Discharge Port: USB, out DC port   
Technic Parameter

 Good for all USB powered device
Tips for Apple/Samsung/HTC/LG/Nokia/Motorola/Blackberry are available in standard package. Micro USB and mini-USB tips are good for most of the mobile device. 

Advanced Battery Technology
Hi-tech, A-grade thium polymer battery that can recycling for more than 500times. Built in overcharge, short circuit and temperature protection. No memory effect. Charge your device smartly.

Battery Status Indicator
To check the power level of the battery case, just push the button and the LEDs will indicate the status clearly.

Power On/Off
Auto power on/off, very low standby current.

Reliable Quality
We only use A-grade battery cells. We use Seiko chipset to manage the power. All product come from our ISO9001 certified factory. Every piece of product are through functioning test and burn-in test to ensure quality. We prepare spare parts for distributors to ensure customer satisfaction.