CHICHITEC LG G2x Battery 4G Battery This is a High Quality Battery for the LG G2x 4G P999 and Optimus 2x P990 (AT&T, T-Mobile, GSM). Keep one as a spare and you're good to go that extra mile at work, checking emails, chatting with your friends or surfing the web on the road. 2 x 1700mAh Batteries and 1 x Universal Wall Dock USB Charger Universal Dock battery charger with USB output. Built-in intelligent chipset, never overcharge keeps the performance and life of batteries. Charging stops once battery is FULL. More convince to interchange your standby batteries with USB port. Capacity: 1700 mAh; (longer battery life compare to 1500/1400mAh) Do NOT need to change back cover; Increase Battery Life; NEW TIPS! Always prepare spare batteries for (Japan)Earthquake Tsunami disasters.