Battery HUAWEI replacement for Mate 10 / Mate 20 / P20 Pro / View 20, 4000 mAh, model HB436486ECW

Replacement internal battery for HUAWEI smartphones compatible with Mate 10, Mate 20, P20 Pro and View 20. With a nominal capacity of 4000 mAh and model designation HB436486ECW, this battery is designed to restore runtime and normal power delivery when the original cell has degraded. Intended for use in device repairs or self-replacement, it supplies energy for calls, apps, display and background processes to return the phone to expected daily performance.

Advantages

This HUAWEI replacement battery offers a high-capacity 4000 mAh rating that helps extend time between charges compared with lower-capacity cells. It is shaped and fitted to match the original internal layout for compatible models, enabling straightforward installation in service or DIY battery replacement procedures. The cell is intended to deliver stable voltage under typical smartphone loads and to integrate with built-in charging and battery management systems of supported HUAWEI models.

Suitable for

• Battery replacement in HUAWEI Mate 10
• Battery replacement in HUAWEI Mate 20
• Battery replacement in HUAWEI P20 Pro
• Battery replacement in HUAWEI View 20
• Phone repair shops and technicians performing battery swaps

Key specifications

• Nominal capacity: 4000 mAh
• Chemistry: lithium-ion (Li-ion)
• Form factor: internal flat battery pack for smartphone installation
• Compatibility: designed for specific HUAWEI Mate 10 / Mate 20 / P20 Pro / View 20 models
• Operating purpose: replacement for worn or failing original battery to restore runtime

How to use

Power off the smartphone and consult a device-specific disassembly guide or professional service instructions before beginning. Remove the back cover and any adhesive or protective elements according to the manufacturer-recommended procedure, disconnect the existing battery connector, and carefully remove the old battery pack. Install the replacement battery in the same orientation, reconnect the battery connector, reassemble the device and perform a full charge cycle to calibrate the battery level indicator. If uncertain, have the replacement performed by an authorized repair technician to avoid damage to the device or new battery.

Usage recommendations

Use the original HUAWEI charger or a qualified charger with compatible voltage and current ratings. Avoid exposing the battery to high temperatures, water, or physical damage. Do not puncture or crush the battery. Dispose of the old battery according to local electronic waste regulations.