May have solder tags fitted for application.
I have it on good authority that Kenwood Part No.W09-0570-05 is a VL1220 and is the back-up battery used in the Kenwood TH-78 series handheld.
65013, ML1220, VL1220,
not to scale.
Diameter × Thickness.
|Chemical Composition.||Nominal Voltage.|
|ML1220.||12.5 mm × 2 mm|
|Manganese Lithium Rechargeable|
(Lithium Vanadium Pentoxide
for VL types)..
(7 mAh for VL types).