Replacement Lithium-ion Battery for LG enV2 VX9100 - This brand new battery is ideal for LG enV2 VX9100 cell phone owners who find themselves having to charge their phones more than once a day. Poor battery life is a sign of a failing battery, and the only way to remedy that is with a brand new, OEM or OEM-grade replacement. This battery, compatible with LG enV2 VX9100 phones, is backed by CellphoneAccents.com's Happy Shopper Guarantee!