Features:

Weight:65g
Capacity:1700mAh
Cell type:li polymer battery
Dimension:128*62*17.6mm
Charging time:about 8.5hours
Input:DC 5V--0.5A
Output:DC5V--0.5A

Rechargeable lithium polymer battery   
Talk time:5hours(3G network),10hours(2G network)
Internet use:4.5 hours(3G),7hours(WIFI)
Standby time:≥210 hours
Audio playback:28hours
Video playback:7hours

Satefy quality control & Warranty policy:
We choose grade "A"cells,protective ICs made in Japan or Taiwan and other highest quality raw materials.We conduct 16 or more tests on each stage of assembling process starting from every parts,work -in-progress,to final product.Any defective parts in progress are rejected.Protective circuit will prevent the backup battery from short-circuit,over-charging,
,over-discharging even under the most extreme condition.
Quality Warranty Period:1year,but not including damaged ones because of the false actions against our user's manual.
 
Maintenance:
Keep your backup battery operation to its fullest potential,making sure to do as following:
1.Re-charge your backup battery once every three months when it is not in use.
2.Kep your backup battery dry and away
2.Kep your backup battery dry and away from moist and corrosive material.
3.Do not wash the power pack with harsh chemicals,soaps or detergents.