The CS-HFB300SL battery provides 3.82V 400mAh Li-Polymer power. Match your equipment model or current battery number below, then compare the specifications and product photos.
Included: One replacement battery pack.
Current Estimated Delivery Date: 1-2 Weeks
Battery specifications
| Voltage | 3.82V |
| Capacity | 400mAh |
| Chemistry | Li-Polymer |
| Energy | 1.53Wh |
| Dimensions | 34.40 x 15.45 x 6.70mm |
| Battery weight | 8g /0.28 oz |
Find the right battery for your equipment
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
Huawei FreeBuds 3
Replacement battery numbers
Huawei HB681636ECW