Dual Battery Upgrade Kit designed for upgrading single-battery X2 models to a dual-battery setup.
Please note: If you select the Standard Battery option, the package includes the battery only.

Compatibility: X2, X7, X7L, X1S, X1S x Bs.zay

Specification:
Voltage: 48V
Capacity: 20Ah

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