Manual Plugs

The bfs manual plug, with its patented “brush” that is built into the lid, ensures that as much of the battery fluid as possible passes back into the cell. This reduces the number of required fillings by 30 to 50 percent.


Manual Push-in Plug MAA000

Fits all lead-acid batteries with a cell-vent size of 35 mm (S35).

Construction height 21 mm  / 0.83"
Min. casing depth 43 mm / 1.70"

Manual Bayonet Plug MB0000

Fits all lead-acid batteries with a cell-vent opening of 24 mm (bayonet opening, European standard).


Manual Threaded Plug M27/M30/C35/M36 MC/D/E/F000

Fits all lead-acid batteries with a threaded cell-vent opening.


Manual Tall Bayonet Plug MG0000

Fits all lead-acid batteries with a cell-vent opening of 24 mm (bayonet opening, European standard) Tall version.


Manual 4-Bayonet Plug MH0000

Fits all lead-acid batteries with a cell-vent opening of 29 mm (bayonet opening, Asian standard).