Apple iPad Pro 11 2020 A2224 Replacement Battery 3.77V 7500mAh

Apple iPad Pro 11 2020 — 3.77V Li-Polymer Replacement Battery (A2224)

This is a 3.77V, 7500mAh (28.28Wh) Li-Polymer replacement battery for the Apple iPad Pro 11-inch 2nd generation (2020). It fits models A2068, A2228, and A2224. The cell matches the original footprint at 186 × 145 × 3mm and connects to the existing flex cable and BMS board.

• iPad Pro 11 2020 model coverage: The A2068, A2228, and A2224 variants share the same battery bay dimensions, flex connector pinout, and BMS communication protocol — one cell fits all three without modification.
• Bench tested on actual hardware: We ran this cell through charge and discharge cycles on an iPad Pro 11 2020 board. The BMS accepted the cell, reported state-of-charge correctly, and held charge under sustained display and CPU load without triggering a safety cutoff.
• Post-install calibration on iPad Pro 11: After fitting, drain the tablet fully until it shuts off on its own, then charge uninterrupted to 100% without interruption. This gives the fuel gauge IC a full voltage window to calibrate against the new cell and clears the inaccurate low-capacity warning that frequently appears after a cell swap on this model.

Why the iPad Pro 11 shuts down at 20–30% after a cell swap

The fuel gauge IC on the A2224 board stores charge-curve data from the old cell in its EEPROM. When a new cell is installed, the IC applies the old cell's voltage-to-capacity map to the fresh chemistry. At around 3.55–3.60V the IC reads this as near-empty and triggers a system shutdown, even though usable capacity remains. Running one full discharge cycle to auto-shutdown, followed by a full uninterrupted charge, forces the IC to relearn the new cell's voltage curve. After two to three full cycles, the reported percentage tracks accurately.

iPadOS showing battery health as "Service Recommended" immediately after replacement

This message appears because the battery health metric in iPadOS reads cycle count and maximum capacity data embedded in the cell's EEPROM — data that does not reset when the physical cell is replaced. A third-party or aftermarket cell carries different EEPROM values than what Apple's firmware expects, triggering the warning regardless of actual cell condition. The tablet will still charge and operate normally. To confirm the cell is functioning correctly, check that the device reaches 4.20–4.22V at full charge using a USB power meter or a diagnostics app that reads raw voltage.