EU O40-3S4400-S1S1 battery, rechargeable O40-3S4400-S1S1 Li-ion battery pack

Please carefully check your original battery to ensure that the model number is O40-3S4400-S1S1, and battery voltage, battery shape, battery connector position, and screw hole locations match our battery shown below.

O40-3S4400-S1S1 battery, 11.1V 4400mAh

Battery Code:NUWO403S4400B6
Battery Name:O40-3S4400-S1S1 battery
Battery Type: Li-ion
Battery Volt: 11.1V
Battery Capacity: 4400mAh
Battery Color: Black
Battery Cells: Grade A, 6 Cells
Battery Condition:Brand New, Replacement Battery, 1 Year Warranty
Compatible Battery Models:[ O40-3S4400-S1B1 ], [ O40-3S2200-S1S1 ], [ O40-3S4400-S1S1 ], [ 63AO40028-1A SDC ], [ O40-3S5200-S1S6 ], [ 63AO40028-1A-SDC ],
  • In stock
  • Original price: € 58.77
  • Today's price:
    € 41.14
    (Updated: Aug 2026 In stock)
  • You save: € 17.63
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O40-3S4400-S1S1 battery, 11.1V 4400mAh
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