This 3.7V 300mAh Li-Polymer battery is a compatible replacement for Sony ACE621733. Compare the number printed on your current battery, its voltage, chemistry, dimensions and connector before ordering.
Included: One replacement battery pack.
Current Estimated Delivery Date: 1-2 Weeks
Battery specifications
| Voltage | 3.7V |
| Capacity | 300mAh |
| Chemistry | Li-Polymer |
| Energy | 1.11Wh |
| Dimensions | 32.70 x 17.80 x 6.00mm |
| Battery weight | 7g /0.25 oz |
Replacing your Sony ACE621733 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
Sony WF-C500 Charging Case, WH-H800 Charging Case, LinkBuds Charging Case, WF-XB700 Charging Case, WF-C500 True Charging Case, LinkBuds True Charging Case, WF-XB700 True Charging Case
Replacement battery numbers
Sony ACE621733