• 3.8 volts;• 2,750 mAh;• Li-Ion;• High power;• Compatible with iPhone(R) 6S Plus;Length: 5.00"Width: 2.50"Height: 0.50"Note: Due to the existence of lithium batteries, additional shipping charges or restrictions may apply. Shipping restrictions may require a ship method that is limited to GROUND and this may impact time in transit and available delivery locations.;