MK Battery

MK Battery M75-12 SLD M · Electric wheelchair battery 12V 75Ah

Reference: BOL-MK-M75-12 SLD M

MK Battery M75-12 SLD M: electric wheelchair battery with 12 V and 75 Ah, measuring 260 × 170 × 205 mm.

Where the MK Battery M75-12 SLD M fits

The MK Battery M75-12 SLD M is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. With 75 Ah per battery, the M75-12 SLD M is designed for a full charge every night.

The M75-12 SLD M belongs to the MK Battery MK AGM range. More MK Battery batteries

Inside the M75-12 SLD M: AGM technology

The M75-12 SLD M is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.

MK Battery M75-12 SLD M vs 8A24 HEI and M24 SLD A FT

What sets the M75-12 SLD M apart from its neighbours in the MK Battery range:

ModelCapacityDimensions (mm)Weight
MK Battery M75-12 SLD M (this one)75 Ah260 × 170 × 20524.2 kg
MK Battery 8A24 HEI79 Ah276.9 × 166.6 × 210.124.04 kg
MK Battery M24 SLD A FT79 Ah276.9 × 166.6 × 210.123.59 kg
  • MK Battery 8A24 HEI: 4 Ah more, a different case (276.9 × 166.6 × 210.1 mm).
  • MK Battery M24 SLD A FT: 4 Ah more, a different case (276.9 × 166.6 × 210.1 mm).

Equivalents and alternatives to the MK Battery M75-12 SLD M

Other AGM batteries that fit the M75-12 SLD M's tray with the same polarity: an AGM can only be replaced by another AGM.

ModelTechnologyCapacityDimensions (mm)
Kronobat ES75-12AGM75 Ah260 × 170 × 205

Part numbers and codes for the MK Battery M75-12 SLD M

The M75-12 SLD M is listed under these codes on labels, in garages and in catalogues:

Commercial referenceM75-12 SLD M
Terminal typeF16
Not to be confused withMK Battery M45-12 SLD M (45 Ah), MK Battery M55-12 SLD M (55 Ah)

What to look at before buying the M75-12 SLD M

  • Capacity of the M75-12 SLD M: 75 Ah; the same as your current battery or slightly more is fine.
  • Measure the space: the M75-12 SLD M takes up 260 × 170 × 205 mm.

Frequently asked questions about the MK Battery M75-12 SLD M

M75-12 SLD M or 8A24 HEI: which one suits me?

Compared with the M75-12 SLD M, the MK Battery 8A24 HEI has 4 Ah more. With 79 Ah, the 8A24 HEI runs longer between charges than the M75-12 SLD M (75 Ah). Mind the space: the 8A24 HEI measures 276.9 × 166.6 × 210.1 mm.

How much does the MK Battery M75-12 SLD M weigh?

24.2 kg, with 75 Ah of capacity. For reference, the MK Battery 8A24 HEI (79 Ah) weighs 24.04 kg.

Which battery is equivalent to the MK Battery M75-12 SLD M?

Only other AGM batteries with its dimensions and polarity: Kronobat ES75-12. Neither an EFB nor a conventional battery replaces the M75-12 SLD M.

Do I have to replace both batteries at once?

Yes. Wheelchairs fit two batteries in series, and a new one next to a worn one becomes unbalanced and lasts much less.

More batteries to compare with the M75-12 SLD M

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