Battery BLPA97 2750x2 mAh by Oneplus Nord 4 CPH2663 621035000156 Service Pack

The BLPA97 Service Pack battery, part number 621035000156, is designed for the OnePlus Nord 4 5G in its CPH2663 and CPH2661 variants. It uses a dual-cell architecture connected in series, with a typical capacity of 2750 mAh at 7.82 V, equivalent to 5500 mAh at 3.91 V. This lithium-ion replacement component allows a battery with reduced autonomy, unstable charging or shutdowns associated with wear to be replaced. Its specific identification facilitates repairs in workshops and professional repair services requiring restoration of energy storage without modifying the phone's other components.

- Brand: OnePlus.

- Battery reference: BLPA97.

- Part Number: 621035000156.

- Compatible model: OnePlus Nord 4 5G.

- Technical models: CPH2663 and CPH2661.

- Typical capacity: 2750 mAh × 2 cells, equivalent to 5500 mAh.

- Rated capacity: 2680 mAh × 2 cells, equivalent to 5360 mAh.

- Nominal voltage: 7.82 V (equivalent to 3.91 V for the 5500 mAh capacity).

- Typical energy: 21.51 Wh.

- Rated energy: 20.96 Wh.

- Technology: Lithium-ion (Li-ion).

- Configuration: Dual cells connected in series.

- Component type: Internal rechargeable battery.

- Fixing adhesive: Included.

- Quality: Service Pack.

The Service Pack BLPA97 battery 621035000156 restores battery life in the OnePlus Nord 4 5G when reduced energy performance is caused by deterioration of the installed battery. Its dual-cell construction maintains the electrical configuration designed for this model, with a typical energy of 21.51 Wh.

The specific part number facilitates identification of the replacement component for the CPH2663 and CPH2661 variants. Additionally, the included fixing adhesive allows the battery to be installed without reusing deteriorated adhesive materials.

For repair workshops and professional technicians, it provides a suitable solution for replacing worn batteries, preserving operational electronic components and checking power supply system operation before completing the device assembly.

- Turn off the device, disconnect the existing battery and use ESD protection before starting the repair.

- Carefully remove the necessary components to access the battery compartment.

- Disconnect the power flex cable and remove the deteriorated battery using suitable tools without deforming or puncturing the cells.

- Remove previous adhesive residue and clean the mounting surface before installing the new component.

- Position the BLPA97 battery correctly and secure it using the included adhesive.

- Correctly align the power connector and connect it without forcing the flex cable.

- Turn on the device and verify battery recognition, charge percentage and power supply system stability.

- Perform a full charge and check the progression of the battery percentage during use. Complete a normal charging cycle when necessary to verify the energy level indication.

- Replace the sealing adhesive and check the assembly fit before completing the repair.