Overview: Built-in 750m Ah rechargeable lithium battery powers devices even without sunlight Self-Recharged via the onboard dual-panel 0.8W photocell (solar panels) Built-in Handy White LED Flashlight Dual USB (Universal Serial Bus) output port Can also be recharged by the included AC adapter & Car Charger, when sunlight is not available Supports USB (Universal Serial Bus) powered devices (5V) Comes with English User's Guide & various adapter cables for charging most cell