No need to use extra cables, BatteryBoost snaps on to your device.
Included in the BatteryBoost Shell, is a 2400mA, high capacity, ion-polymer battery, more than twice your original battery.
Also included in the BatteryBoost Shell... the original female plug for your device, so you can charge the BatteryBoost, or your device using the regular cable that came with your iPhone.
Tech Specs
Please note: They will not charge simultaneously. Connect the BatteryBoost to your original charger for at least 10 hours before using it for the first time. Battery life and performance can be extended by fully discharging then fully charging the BatteryBoost battery on a monthly basis.
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