This 3.85 V 4100 mAh Li-Polymer battery is a compatible replacement for Hongmi BN40. Compare the number printed on your current battery, its voltage, chemistry, dimensions and connector before ordering.
- Included: One replacement battery pack.
- Replaces battery number: Hongmi BN40
Current Estimated Delivery Date: 1-2 Weeks
Battery specifications
| Voltage | 3.85 V |
|---|---|
| Capacity | 4100 mAh |
| Chemistry | Li-Polymer |
| Energy | 15.79 Wh |
| Dimensions | 80.40 x 59.40 x 4.70 mm |
| Battery weight | 54 g /1.90 oz |
Replacing your Hongmi BN40 battery
Compare the connector shape, wire arrangement and polarity with your original battery. Check all listed specifications; a similar model name or matching voltage alone does not confirm a fit.
Compatible equipment models
- Hongmi: 4 Premium Edition, 4X Premium Edition, Redmi 4X Premium Edition Dual SIM TD-LTE, Redmi 4x Standard Edition, Redmi 4x Standard Edition Dual SIM TD-LTE
- Xiaomi: Hongmi 4 Premium Edition, Hongmi 4X, Redmi 4X Premium Edition Dual SIM TD-LTE, Redmi 4x Standard Edition, Redmi 4x Standard Edition Dual SIM TD-LTE
Replacement battery numbers
- Hongmi: BN40
- Xiaomi: BN40
Need help matching your battery?
Contact Rocket Distributing with your equipment model and a photo of the battery label and connector.
Additional compatibility details
X-Longer