VIVO Y21, Y21s, Y31s 5G, Y33s Battery Replacement for VIVO B-S1 High Capacity Li-ion Polymer Battery Long lasting Backup.

Product specification.

• High capacity Vivo Y21 / Y21s / Y31s 5G / Y33s
• Ensure Longer battery life (up to 500+ cycles) and high capacity.
• High speed and efficient charging Guarantee to fit you phone.
• Work as good as your original Vivo Y21 / Y21s / Y31s 5G / Y33s mobile battery.
• Manufacturing upgrades deliver improved.
• Ensure overheating protection and others safety Battery.

Product Description:

• This Replacement battery compatible with Vivo Y21 / Y21s / Y31s 5G / Y33s.
• Each battery has undergone strict quality inspection and testing.
• The built in a grade high quality battery can effectively prevent overcharge, overheat and short circuit protection and durable.
• Capacity: Original mAh high capacity replacement battery for Vivo Y21 / Y21s / Y31s 5G / Y33s.the batter life is same as original battery.
• If you face any problem after instillation or before instillation of the battery we will give you user manual.
• Battery voltage 3.85. original cell phone battery with repair tools.

Free complete service tools with battery:

• 1pcs hexagonal screwdriver.
• 1pcs one screwdriver.
• 1pcs  screwdriver.
• 1pcs Triangular Opening tool.
• 1pcs battery adhesive.
• 1pcs user manual.
• 1pcs Suction cup.
• 1pcs Ejector pin.
• 1pcs pry bar.

Tips For Best Performance:

• Use a original charger and cable which came with your phone to recharge the replacement Battery.
• Don’t use other fake and low quality charger it may damage your phone battery.
• If you don’t have original charger you can use unex technology charger it is same to original charger.
• Do not always using battery in high temperature environment.
• Do not over charging battery for too long time even the battery has over charged protection.
• Do not use the phone while it charging.
• Recharge the battery once every 1 month if it will not be used for a long period of time.
• Using phone in temperatures lower than 5°C it may affect phone battery performance.
• Battery actual backup time depends on your phone hardware and software configurations and network condition.