Highlights: This battery case can be charged either by the solar panel on the back or by PC's USB (Universal Serial Bus) port/AC adapter directly Protect your Apple iPhone from scratches, dust & minor bumps Made with high quality hard plastic Power levels LED indicator Comes with 5pcs of charger connectors so that you can charge other cell phones such as Nokia, Samsung, Motorola etc Compatible with Apple iPhone 4 Specification: Dimensions: 11 x 7 x 2 cm Weight: 70g Input: DC5.0V, 800m A Output: DC5.5V, 500m A Built-in battery: Li-ion Capacity: