Apple iPhone 4 battery cell phone plug external battery back clip battery mobile battery back-up battery/iPhone4 external power plug the power back clip power mobile power reserve power/plug-in charger external charger back clip charger mobile charger emergency charger

Type: iBC1900

Product features: plug and play and appearance of IPHONE4 perfect combination, built-in overcharge discharge protection, do not affect the power battery life

Electricity core: polymer core

Output voltage: DC5V

Output current: 500 mA

The input voltage: 5 V

The input current: 500 mA
Let quantity: 1900 mAh
Charging time: four to six hours
Circle life: > 500 times
Working temperature: ℃ to 40 ℃
Storage temperature: 20 ℃ ~ +-50 ℃
Body: 126 x 63 x product 16 (mm)
Heavy quantity: 66.5 g
Standby time: > 380 hours
The time: 3 G network more than 6.5 hours / 2 G network more than 12 hours
The nets: 3 G network more than 6.5 hours/Wi Fi-more than seven hours
Music played: more than 28 hours
Video broadcast: more than 8 hours