Dual Battery Upgrade Kit designed for upgrading single-battery X1S models to a dual-battery setup.
Please note: The X1S dual battery upgrade kit is available in 4 Pins and 5 Pins versions, and they are not interchangeable.If you select the Standard Battery option, the package includes the battery only.

Compatibility: X1S, X1S x Bs.zay

Specification:
Voltage: 48V
Capacity: 10.4Ah

Note: A charger is not included in the package.（The battery set does not include a charger.）