Amazon.com: Vvsialeek BN48 3900mAh Replacement Battery Compatible with Redmi Note 6 Pro M1806E7TG M1806E7TH M1806E7TI with Toolkit : Electronics
Original Phone Battery For Redmi Note 6 Pro Battery Xiaomi Redmi Note 6 Pro Bn48 Batteries Xiomi Hongmi Note6 Pro Bateria - Mobile Phone Batteries - AliExpress