Description: High Quality high capacity light weight&nbsp rechargeable DC Lithium Polymer 1400mAh battery. Longer battery life than the original battery that comes with the PDA. Best replacement for the original&nbsp Apple iPhone 4Gb 8Gb 16Gb series battery pack. No memory effect. Can be charged or discharged&nbsp as needed without loss of capacity.Overcharge protection with built in battery life microchip. CE Certified. 6 months&nbsp Manufacturer warranty. NOT COMPATIBLE WITH IPHONE 3G Model Compatible Apple iPhone 4Gb 8Gb 16Gb series Type: Battery Compatible Phone Manufacturer: Apple