For iPhone 4 Q power 1400mah portable back up battery case High capacity external battery New styles Weight: Approx. 53.5g For iPhone ... , durable engineering material 2. Eloquent styling 3. High capacity external battery Use your phone without removing it from the case Efficiently ... ,Standby Time: Up to 260h,Talk Time: Up to 5 Battery: Lithium-ion Dimension: 123.8x60.8x15mm,Weight: Approx. 53.5g For ...