4200mah portable backup external battery case for Samsung s4&i9500 backup case ,Emergency Power External Battery Case

Specifications

4200mah external battery case

for Samsung s4&i9500 backup case ,Emergency Power External Battery Case

Feature:   (backup battery case)

1.  uses high capacity ( JHN554452 1600*2)  Li-on cells
2.  premium quality backup power with lower price  

lor:white&blue

Technical Specification  (backup battery case)
*Output:DC5.0V/500mA
*Input: DC5.0V/800mA
*Battery Capacity:4200mAh
*Storage Time:12 Months
*Max output Power: 4.0W
*Capacity indicator: push capacity button, 4 blue leds  display  capacity  
*Charge indicator: For the backup power charging,LED flashes corresponding to the positions the percentage of the power supply,LED full light after fully charged
*Charge methods: use Micro USB DC Adaptor, 
*Charging time :about 6 hours
*Run time: ≥8 hours (based on ur cellphone)
*Cycle life: >300 cycles
*Operation temperature: -10°C-40°C
*storage and  transportation temperature : -20°C-50°C
*Weight: 123g  
*Color : white
*size : L150.2mm×W 72mm×H 17.8mm
 
Product Features   (backup battery case)
*S4-4200 is a standby power(backup power)only for Galaxy s4
*High capacity : S4-4200 uses high capacity ( JHN554452 1600*2)  Li-on cells.
*Conversion efficiency: it use Seiko IC (High efficiency 85%)
*Supports solar battery to charge (solar battery is 5V) this power.
*Supports notebook USB to charge this power. 
*It is a green product.

S4-4200 Quick Start Guide
Danger and Attention!
*Do not throw S4-4200 power into water or make it wet.
*Do not use or store S4-4200 power near heat source.
*Do not throw the S4-4200 power into fire or heat the power. 
*Don’t make  the power short circuit.
*Don’t extrude the battery with heavy object or make the battery out of shape.
*Once the battery is found having some hidden danger or  problems, stop using it immediately.
*Do not use the power in extremely hot environment(80°C).if use solar battery to charge or use cigarette lighter of car to charge , please  do not with direct sunlight.
*If you store the S4-4200 power for a long time , please charge full this power and  turn off the shutdown switch
  (need to charge  every 3 months )

Package Included:  (backup battery case)
1 * 4200MAH standby power for Samsung Galaxy S4