Miccus ChargeBlock SP Portable Battery Charger for BlackBerry, Motorola, HTC, LG, Samsung phoens and USB Devices CBBB-10 Simple - connect and keep using your smartphone or USB device while it re-charges. Compatible - recharge almost any type of phone or device that uses USB mini or USB micro connection. Easy - four Red LED lights signal charging and dis-charging activity. Fast, recharge your smartphone or USB device and the ChargeBlock at the same time. Operating times (Based on Blackberry Bold) - Up to 3.5 hours of talk, 210 standby, 3 hours of video and 3hrs of internet from a single charge (results vary by model)