Portable 1900MAH High Capacity Extended Battery & Protective Battery Case for Iphone 4 4S (Fit All Models Iphone 4 4S) Retail Packaging White
Description:1. Doubles battery life for iphone 4 4S(all models).2. High capacity 1900MAH battery hidden inside ultra thin durable case, Input: DC 5V/1A, Output: DC5V/1A.3. Sync & Charge simultaneously.4. Four LED power indicator.5. Slim fitting and nearly weightless design minimizes any added bulk.6. Available in White, Black, Blue and Red.