HB436486ECW is a lithium-polymer (Li-Po / Li-ion polymer) rechargeable battery originally used in several Huawei and Honor smartphones. It is commonly sold as a replacement for models including the Huawei Mate 10, Mate 10 Pro, Mate 20, P20 Pro, and related variants (often referenced in listings as compatible with M10/M20/M20P/P20P series devices).
This is a non-removable internal battery pack designed as a direct replacement for the original Huawei part number HB436486ECW. It uses lithium-polymer chemistry, which offers good energy density, no memory effect, and relatively thin form factor suitable for slim smartphones. Replacement versions typically include protection circuitry and are marketed as high-quality alternatives that restore original battery life when the stock cell has degraded.
Compatible Devices
Primarily compatible with:
Always verify the exact model number on your device or existing battery before purchasing, as compatibility lists can vary slightly by seller.
| Parameter | Typical Value | Notes |
|---|---|---|
| Model / Part No. | HB436486ECW | Original Huawei designation |
| Type | Lithium Polymer (Li-Po / Li-ion polymer) | — |
| Nominal Voltage | 3.82 V | Some list 3.85 V |
| Charge Voltage | Up to ~4.4 V | — |
| Capacity | 3900 mAh (rated) / 4000 mAh (typical) | Aftermarket versions often claim 4000–4200 mAh |
| Energy | ~14.9–15.3 Wh | Varies slightly by listing |
| Dimensions | Approx. 84.4 × 63.1 × 4.15 mm | Slight variations possible |
| Weight | ~50–64 g | Depends on exact version |
| Cycle Life | 500+ cycles | Typical claim |
| Operating Temp. | Approx. –10 °C to 50 °C | — |
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