MK Battery

MK Battery 8A8D · Electric wheelchair battery 12V 245Ah

Reference: BOL-MK-8A8D

The MK Battery 8A8D is an electric wheelchair battery with 12 V and 245 Ah, measuring 530.1 × 278.6 × 244.3 mm.

The MK Battery 8A8D at a glance

The MK Battery 8A8D is made for powered wheelchairs. It is fitted as a 12 V pair and takes hundreds of daily cycles, something a starter battery could not handle.

The 8A8D belongs to the MK Battery MK AGM range. See all MK Battery batteries

What it means that the 8A8D is AGM

Inside, the 8A8D has glass fibre separators (AGM) that hold the electrolyte. The 8A8D needs a charger with an AGM mode that does not exceed 14.7 V.

MK Battery 8A8D vs 8A4D: differences

How the 8A8D compares with MK Battery batteries of similar size and capacity:

ModelCapacityDimensions (mm)Weight
MK Battery 8A8D (this one)245 Ah530.1 × 278.6 × 244.373.94 kg
MK Battery 8A4D198 Ah537.2 × 213.6 × 249.760.55 kg
  • MK Battery 8A4D: 47 Ah less, a different case (537.2 × 213.6 × 249.7 mm).

Equivalents and alternatives to the MK Battery 8A8D

No other reference in the catalogue fully matches the dimensions and polarity of the 8A8D; you will find the closest ones among our electric wheelchair batteries.

MK Battery 8A8D codes and part numbers

This is how the MK Battery 8A8D appears on the label and in parts catalogues:

Commercial reference8A8D
Not to be confused withMK Battery 8A4D (198 Ah), MK Battery 8G8D (225 Ah)

Before ordering the 8A8D, check this

  • With 245 Ah, the 8A8D replaces an original battery of that capacity or slightly less.
  • Measure the space: the 8A8D takes up 530.1 × 278.6 × 244.3 mm.

Frequently asked questions about the MK Battery 8A8D

MK Battery 8A8D or 8A4D?

Compared with the 8A8D, the MK Battery 8A4D has 47 Ah less. With 245 Ah, the 8A8D runs longer between charges than the 8A4D (198 Ah). Mind the space: the 8A4D measures 537.2 × 213.6 × 249.7 mm.

How much does the MK Battery 8A8D weigh?

The 8A8D weighs 73.94 kg. For reference, the MK Battery 8A4D (198 Ah) weighs 60.55 kg.

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 8A8D

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