Mugen Power LG V10 Double Juice With Wireless Charge NFC Google Wallet Capable 6200mAh Extended Battery Non-Slippery Back Cover Design (BL-45B1F)(AT&T H900, T-Mobile H901, Verizon VS990) (Black) 6200mAh Li-Ion Battery with over 2X longer life time 100% Compatible NFC and wireless Charging Premium Urethane Coating to prevent discoloration Unique back cover design for Anti slippery and light weight 12 Months Warranty