... , built-in green, safe rechargeable lithium polymer battery, charging your mobile phone, digital camera, PDA, PSP, mp4, MP3, IPOD and other ... humidity should be ≤ 85%, atmospheric pressure is 86kpa-106kpa the case may be working.This product is stored or transported, the ... the product. If this product is a short circuit fault protection without voltage output, only charge once again for this product ...