Vivo X21 Battery B-D7

High Quality Compatible Battery
Replace your old, damaged, swollen, low backup batteries.
Stable performance, with high backup time.
Quality tested before shipping (QC done).
Comes in loose packing

FEATURES: HIGH CAPACITY, TESTED QUALITY, LONGER SERVICE LIFE, 100% NEW, EASY TO FIT, USE CELL TYPE. (NOTE: BEFORE REPLACING THE BATTERY WITH NEW ONE BE SURE YOUR MOBILE SHOULD IN WORKING CONDITION.) DIRECTION: NEW BATTERY MUST BE FULLY CHARGED AND DISCHARGED 2 TO 3 TIMES BEFORE BEING US