eBay

Attention! Please carefully check the last photo as these stated laptop models contain 2 pin batteries which can have two differently shaped/ sized connectors; don't be misled by the part number - Even if your model matches one given on the title you need to be certain that the connector is identical to this or it may not fit due to revisions of the same models

Technical details:

Socket type: 2pin version
Cable length: 8.5cm
Nominal voltage: 3V
Nominal capacity: 220mAh
Recommended continuous drain: 0.2mA
Recommended pulse drain: 16mA
Diameter: 20.0mm
Height: 3.20mm
Weight: 3.0g
Low self-discharge rate and stable discharge voltage
Wide working temperature range: -20 to 60C

Please check all the specs and ensure this battery meets your devices' needs

It may be suitable for many other models

ref BM13