The CS-BKX210SL is a replacement rechargeable battery for VIVO products.

This battery replaces the following OEM part number(s):

• VIVO B-D7
• BBK B-D7

This battery is compatible with the following model(s):

• VIVO X21
• VIVO X21 UD
• VIVO X21 UD Dual SIM
• VIVO X21 UD Dual SIM TD-LTE
• VIVO 1728
• VIVO 1725
• VIVO X21A
• VIVO X21UD A
• BBK VIVO X21
• BBK VIVO X21 UD
• BBK VIVO X21 UD Dual SIM
• BBK VIVO X21 UD Dual SIM TD-LTE
• BBK 1728
• BBK 1725
• BBK X21A
• BBK X21UD A

Specifications: