MK Battery

MK Battery 8A24 HEI · Electric wheelchair battery 12V 79Ah

Reference: BOL-MK-8A24 HEI

The MK Battery 8A24 HEI is an electric wheelchair battery with 12 V and 79 Ah, measuring 276.9 × 166.6 × 210.1 mm.

Voltage
12V
Capacity
79Ah
Technology
AGM
Dimensions (L × W × H)
276.9 × 166.6 × 210.1 mm
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Who the MK Battery 8A24 HEI is for

The MK Battery 8A24 HEI is made for powered wheelchairs. With 79 Ah per battery, the 8A24 HEI is designed for a full charge every night.

The 8A24 HEI belongs to the MK Battery MK AGM range. More MK Battery batteries

Equivalents and alternatives to the MK Battery 8A24 HEI

Other AGM batteries that fit the 8A24 HEI's tray with the same polarity: an AGM can only be replaced by another AGM.

ModelTechnologyCapacityDimensions (mm)
MK Battery M24 SLD A FTAGM79 Ah276.9 × 166.6 × 210.1

MK Battery 8A24 HEI vs M75-12 SLD M and 8A27

Torn between the 8A24 HEI and another similar MK Battery? This is what changes:

ModelCapacityDimensions (mm)Weight
MK Battery 8A24 HEI (this one)79 Ah276.9 × 166.6 × 210.124.04 kg
MK Battery M75-12 SLD M75 Ah260 × 170 × 20524.2 kg
MK Battery 8A2792 Ah325.9 × 166.6 × 24027.9 kg
  • MK Battery M75-12 SLD M: 4 Ah less, a different case (260 × 170 × 205 mm).
  • MK Battery 8A27: 13 Ah more, a different case (325.9 × 166.6 × 240 mm).

Inside the 8A24 HEI: AGM technology

Inside, the 8A24 HEI has glass fibre separators (AGM) that hold the electrolyte. The 8A24 HEI needs a charger with an AGM mode that does not exceed 14.7 V.

Check this before ordering the MK Battery 8A24 HEI

  • The 8A24 HEI needs 276.9 × 166.6 × 210.1 mm of space: measure it with the hold-down clamp in place.
  • With 79 Ah, the 8A24 HEI replaces an original battery of that capacity or slightly less.

Frequently asked questions about the MK Battery 8A24 HEI

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

Compared with the 8A24 HEI, the MK Battery M75-12 SLD M has 4 Ah less. With 79 Ah, the 8A24 HEI runs longer between charges than the M75-12 SLD M (75 Ah). Mind the space: the M75-12 SLD M measures 260 × 170 × 205 mm.

How much does the MK Battery 8A24 HEI weigh?

24.04 kg, with 79 Ah of capacity. For reference, the MK Battery M75-12 SLD M (75 Ah) weighs 24.2 kg.

Which battery is equivalent to the MK Battery 8A24 HEI?

Only other AGM batteries with its dimensions and polarity: MK Battery M24 SLD A FT. Neither an EFB nor a conventional battery replaces the 8A24 HEI.

How much range does the MK Battery 8A24 HEI give in an electric wheelchair?

It depends on weight, terrain and the chair. As a guide, with 79 Ah per battery an average chair covers several kilometres a day; range drops with hills and cold batteries.

Other options if you are unsure about the 8A24 HEI

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