WIDE COMPATIBILITY: The AP18L4N replacement battery is compatible with Sony VAIO F14, F16, VJF141, VJF14190111L, VJF14190211N, VJF14190311W, VJF14190411L, VJF14190511N, VJF14190611W, VJF161, VJF16190111L, VJF16190211N, VJF16190311W, VJF16190411L, VJF16190511N, VJF16190611W, VWFC71639 series.
COMPATIBLE PART NUMBER: VJ8BPS61. Please ensure your original battery model before purchasing.
SPECIFICATION: Battery type: Li-ion. Voltage:7.7V .Capacity: 6644mAh/51Wh.
USEFUL REMINDER: It is recommended to fully drain and fully charge the battery especially during the first 3 charging and discharging cycles, doing so may greatly improve the overall life of the battery.
NOTE: If the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected. Discharge the new battery to 10-20% (not 0%), then charge and cycle 3-4 times to wake up the new battery.