TOOGOO(R) Battery Desktop Charger with USB Output Compatible with HTC ThunderBolt 4G / Incredible HD Enjoy flexibility with this charger that allows you to charge your spare battery through a wall outlet while charging your phone through the 5V USB port. Multi-protection circuits prevent overcharging and overheating. LED charging indicator shows charging status. Foldable A/C plug for convenient portability. Battery charger only; Battery and devices are NOT included.