CS-BKX210SL : Battery for VIVO X21, X21 UD, X21 UD Dual SIM and others - Replaces VIVO B-D7 CS-BAS351MD Direct replacement-upgrade for Onyx #

Direct replacement-upgrade for Onyx # ONXM2112

Working Mode: same frequency simplex/different frequency simplex

The CS-VRX820TW is a replacement rechargeable battery for Vertex products

Based on the shipment destination

Replaces KNB-24L

CS-BKX210SL : Battery for VIVO X21, X21 UD, X21 UD Dual SIM and others - Replaces VIVO B-D7 CS-BAS351MD Direct replacement-upgrade for Onyx #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