Precise adaptation: Original factory grade replacement battery designed specifically for VAIO A12
Model Matching: Perfectly compatible with for Sony VAIO A12 notebook, compatible with original part number VJ8BPS55, with dimensions accurate to 141.10 × 139.00 × 2.86mm, slim to 2.86mm, and seamless fit to the body.
Compatibility verification: Before purchasing, please check the device model and original battery part number (which can be found on the battery label or instruction manual) to ensure 100% physical compatibility and avoid equipment damage caused by interface misalignment or voltage mismatch.
Industrial grade safety standards: Multiple protections for safe use
Circuit protection: Built in overcharge/overdischarge protection chip, short circuit protection module, and temperature sensor, real-time monitoring of abnormal current, effectively preventing overheating risks, in compliance with UL/IEC 62133 safety certification.
Charging suggestion:
The first use requires 2-3 complete charge and discharge cycles (fully charged after depletion) to activate the battery's optimal performance.
It is strictly prohibited to use non original and inferior chargers to avoid a sudden decrease in battery life due to unstable voltage (it is recommended to use original or certified PD fast charging heads).
Endurance and Installation Guide
High density battery cell: 3100mAh lithium polymer battery cell, with a cycle life of 500 times, and a capacity retention rate of>80% after 2 years of daily use.
Correct installation steps:
Turn off the device power and disconnect the charger.
Aim at the battery compartment interface and gently push until the buckle locks (hearing a "click" sound indicates a secure connection).
After booting up, check that the system battery status displays as' charged '.