Zeetron iPhone 4 Replacement Battery Kit (Includes 7 Piece Opening Tool Kit + Torx + Screen Protector + Zeetron Microfiber Cloth) High quality replacement battery Lithium Ion, 1420mAh extra high capacity, extra long stand-by times Will ONLY work with the iPhone 4 Includes a Zeetron microfiber cloth, 7p tool kit, torx screw driver, and a screen protector