... Beautiful appearance* Long usage time* Easy hand* Can be used for the most of popular laptop/smartphone/digital camera, etcSpecification of ... polymer battery inside using the solar panel: 13-18 hours* Charging time for the Lithium polymer battery inside using Ac: 3 ... -4 hours* Indication: charging and discharging state* Applications for: notebook, mobile phone, digital camera, PDA, MP3, MP4, mobile ...