NEW Replacement Battery For Xiaomi Poco F3 Poco X3 Poco X3 Pro Redmi K40 Pro BM4Y BN57 Phone Battery

Remember kindly: You need professional technology to change the built-in phone battery. We recommend that you go to a mobile phone repair shop to install it.

Brand Name: For Xiaomi Quality Certification: ce Original or Not: Original Battery Capacity(mAh): 4520mAh Model Number: BM4Y compatible with Xiaomi Poco F3 Redmi K40 Pro K40 Pro+ BN57 compatible with Xiaomi Poco X3 Poco X3 Pro Product type: Batteries for Mobile Phones and Smartphones

Important: New Lithium Ion batteries must be FULLY CHARGED and FULLY DISCHARGED 2 to 3 times, before being FULLY CONDITIONED. Please remember that a new Lithium-Ion battery's full performance and longevity is only achieved after 2 to 3 complete charge and discharge cycles. After you go through 2 to 3 cycles, you'll never have to condition your battery again! All talk and standby times are approximate, depending upon carrier's network settings, signal strength, and features selected. Talk and Standby times will be lower in Analog mode as noted above.