Other information:
Description
1.
The MF(Maintenance Free) battery is, as the name implies, totally maintenance
free and has no removable battery cell caps.
2.
The MF(Maintenance Free - Openable Type) battery does not require water
replenishment ...
Specification
Item
Specification
Coil Resistance (Ω)
0.5 [20°C(68°F)
...