... can still charge phone, built in lithium battery can keep over 40 minutes talk time.3. FlashlightRechargeable, with lithium battery ... fuse protection.Can charge for iPod/iPhone, blackberry and mobile phone. Specification of car charger: pure regulator, pure filter, ... chargerRetractable USB cable, 1M length, convenient use, connector with computer and phone can be charged directly. Also it can work good ...