12V Gel Batteries for Mobility Devices

MK Battery M34 gel battery pair

Compare 12V gel batteries

Explore MK Battery sealed gel battery pairs in different capacities and case sizes. Each listed battery is rated at 12 volts; the connected system voltage and capacity depend on the equipment wiring.

Confirm the exact model, battery count, capacity, tray dimensions, terminal layout and gel-compatible charging profile with the equipment manufacturer before ordering. Gel and AGM batteries are not interchangeable without the manufacturer’s approval.

  • MU-1 12V 31.6AH GEL Battery ( Sold in pairs )

    MU-1 12V 31.6AH GEL Battery ( Sold in pairs )

    by MK Battery

    Mobility Batteries

    MU-1 12V 31.6AH GEL Battery features compact U1 gel option and water-free deep-cycle upkeep.

    Key Features
      • Compact U1 gel option: The MU-1 SLD G offers 12V and 31.6Ah at the 20-hour rate in a U1-size format, supporting replacement selection for equipment designed around this gel model.
      • Water-free deep-cycle upkeep: The valve-regulated gel design supports repeated mobility charging cycles without routine watering, while its immobilized electrolyte reduces the spill concerns associated with free-liquid batteries.
    Starting at
    MSRP: $469.00
    SAVE: $80.00
    $389.00
    As low as $32.41/mo*
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    Free Shipping On all orders over $50 across the USA
    Full Warranty Full manufacturer warranty included
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  • M40 12V 40AH GEL Battery ( Sold in pairs )

    M40 12V 40AH GEL Battery ( Sold in pairs )

    by MK Battery

    Mobility Batteries

    M40 12V 40AH GEL Battery features deep cycle performance and sealed gel technology.

    Key Features
      • Deep Cycle Performance: Capable of up to 1,000 cycles at 50% Depth of Discharge (DOD), offering significantly longer life (averaging 1 to 2 years) compared to standard AGM batteries.
      • Sealed Gel Technology: Uses a thixotropic gel electrolyte that is completely immobilized, making it leak-proof and spill-proof.
    Starting at
    MSRP: $640.00
    SAVE: $170.01
    $469.99
    As low as $39.16/mo*
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    Full Warranty Full manufacturer warranty included
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  • M22NF 12V 51AH GEL Battery ( Sold in pairs )

    M22NF 12V 51AH GEL Battery ( Sold in pairs )

    by MK Battery

    Mobility Batteries

    M22NF 12V 51AH GEL Battery features NF22-size gel specification and reduced routine battery care.

    Key Features
      • NF22-size gel specification: The M22NF SLD G provides a 12V, 51Ah rating over 20 hours, identifying a gel replacement for devices that specify this model rather than an AGM alternative.
      • Reduced routine battery care: Its sealed gel construction holds the electrolyte in place and requires no periodic water top-ups, simplifying maintenance when used with the correct gel charging profile.
    Starting at
    MSRP: $749.00
    SAVE: $50.00
    $699.00
    As low as $58.25/mo*
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    Full Warranty Full manufacturer warranty included
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  • M34 12V 60AH GEL Battery ( Sold in pairs )

    M34 12V 60AH GEL Battery ( Sold in pairs )

    by MK Battery

    Mobility Batteries

    M34 12V 60AH GEL Battery features group 34 gel replacement format and sealed deep-cycle construction.

    Key Features
      • Group 34 gel replacement format: The M34 SLD G combines a 12V, 60Ah rating at the 20-hour rate with its Group 34 case, giving a specific model to match against the device requirements.
      • Sealed deep-cycle construction: Gelled electrolyte stays immobilized inside the valve-regulated case, supporting repeated discharge and recharge without the routine watering required by a flooded battery.
    Starting at
    MSRP: $739.00
    SAVE: $110.00
    $629.00
    As low as $52.41/mo*
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    Free Shipping On all orders over $50 across the USA
    Full Warranty Full manufacturer warranty included
    Lifetime Support Expert help whenever you need it
  • E27 12V 88AH GEL Battery ( Sold in pairs )

    E27 12V 88AH GEL Battery ( Sold in pairs )

    by MK Battery

    Mobility Batteries

    E27 12V 88AH GEL Battery features superior cycle life and true gel technology.

    Key Features
      • Superior Cycle Life: Capable of delivering up to 1,000 cycles at 50% Depth of Discharge (DOD), significantly outlasting standard AGM alternatives.
      • True Gel Technology: Uses a thixotropic gel electrolyte that is completely immobilized, making the battery leak-proof and spill-proof in any position.
    Starting at
    MSRP: $960.00
    SAVE: $141.00
    $819.00
    As low as $68.25/mo*
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    Free Shipping On all orders over $50 across the USA
    Full Warranty Full manufacturer warranty included
    Lifetime Support Expert help whenever you need it