This 3.87 V 4400 mAh Li-Polymer battery is a compatible replacement for Xiaomi BM4Y. Compare the number printed on your current battery, its voltage, chemistry, dimensions and connector before ordering.
- Included: One replacement battery pack.
- Replaces battery number: Xiaomi BM4Y
Current Estimated Delivery Date: 1-2 Weeks
Battery specifications
| Voltage | 3.87 V |
|---|---|
| Capacity | 4400 mAh |
| Chemistry | Li-Polymer |
| Energy | 17.03 Wh |
| Dimensions | 87.00 x 64.20 x 4.30mm |
| Battery weight | 58.8 g /2.07 oz |
Replacing your Xiaomi BM4Y 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
- Xiaomi: M2012K11AG, M2012K11AI, M2012K11G, M2012K11I, Mi 11X 5G, Mi 11X Pro 5G, Mi 11i 5G, Poco F3 5G
- Redmi: K40 5G, K40 Pro 5G, K40 Pro+ 5G, K40 Ulta, M2012K11AC, M2012K11C, M2012K11Q
Replacement battery numbers
- Xiaomi: BM4Y
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