Kastar intelligent mini travel Charger (with high speed portable USB charge function) for PDA Camera Li-ion Battery Digital cameras Mp3 Mp4 players Hand held gaming devices PDAs Intelligent: Kastar Mini Rapid A/C Charger Features a Fold-out US Plug, 100-240V Worldwide Input Voltage, with high speed USB charge function. LCD Display: LCD Screen Indicator (25%,50%,75%,100%) lets you know that your battery charging status, when LCD Screen Indicator show 100% mean battery is full. Multi Protection: Built-in protection circuit prevents overcharging and heats. Quick charge with automatic constant current control protects battery from overcharging, short circuit, and electric shock Much Inconvience: The charger charges not only for your battery, also for almost all the smartphone and batteries. Best Guaranty: The Charger Include 30-day Money Back and 3-YEAR Manufacturer Warranty.