Xiaomi Poco F1 Battery BM4E 4000mAh

Battery for Xiaomi Poco F1: Renewed Autonomy with 4000mAh

This BM4E replacement battery was specifically developed for the Xiaomi Poco F1, restoring the proper usage time of the mobile phone. This is the internal accumulator indicated to solve rapid power drops and system power failures.

Technical Specifications

• Part type: Internal battery
• Compatibility: Xiaomi Poco F1 (M1805E10A)
• Part code: BM4E
• Capacity: 4000mAh
• Quality: Compatible

When to Replace

• The charge drops suddenly with few hours of use.
• The phone turns off unexpectedly under processing load — confirm the diagnosis.
• The battery shows signs of deformation or visible swelling when opening the cover.
• The equipment only works when connected directly to the charger.

Notes for the Technician

• Test before applying: connect the battery without sticking it and confirm that the equipment starts, charges and shows the percentage correctly. Thus, if there is any problem, the return or warranty is handled quickly and simply.
• Intervention difficulty: Medium.
• Opening carried out via the back housing with prior removal of the SIM tray and lower screws next to the USB-C port.
• Care when handling the back cover so as not to damage the flex of the fingerprint reader still connected to the board.
• Remove the upper shielding to disconnect the old battery before removing the pull adhesives.
• New adhesive for fixing the new battery is sold separately.

What Distinguishes This Version

This high-end compatible variant offers a reliable technical response and precise dimensions for the device compartment. It is the recommended option for workshops and professionals seeking to restore energy stability while maintaining the economic viability of the intervention.

Frequently Asked Questions

Is the BM4E reference compatible with other models besides the Poco F1?
The BM4E battery with 4000mAh capacity was designed specifically for the internal architecture and connectors of the Xiaomi Poco F1.

Is it necessary to transfer circuits from the previous part?
No, the part already integrates its respective internal control board and flexible connection cable ready to connect to the motherboard.