3.85V 450mAh ACE731834 Replacement Battery for Sony LinkBuds S WF-LS900N Charging Case

Specifications Battery Type: Rechargeable Li-ion Battery Voltage: 3.85V Capacity: 450mAh Energy: 1.67Wh Compatible Part Number: ACE731834 Package Weight: Approx. 60g Compatible Models Sony LinkBuds S Charging Case Sony WF-LS900N Charging Case Compatible Part Number ACE731834 Package Includes 1 × ACE731834 Replacement Battery Important Compatibility Note Please check your original battery part number, charging case model, battery voltage, size, and connector type before ordering. This battery is for the Sony LinkBuds S WF-LS900N charging case, not for the left or right earbuds. Professional installation is recommended because charging case battery replacement may require disassembly and careful handling. Charging & Safety Use only a compatible charger and device charging circuit for this battery type. Do not short-circuit, puncture, crush, disassemble, or expose the battery to fire, water, or high heat. Stop using the battery if swelling, damage, abnormal heat, or unusual odor occurs. Store the battery in a cool, dry place when not in use.