... 3.3-4 hours charging time 4.Foldable, portable 5.Better than the same industry Specification Performance FeaturesCertificate; CE ,FCC, ... battery replaced availableStability, intelligence, portability, usability , environmental protection The product has anti-overcharge, over-release, short circuit, over- ... iPod series All kinds of mobile phone brand All the MP3, MP4 player All kinds of digital camera ...