MK Battery

MK Battery ES3-12R · Electric wheelchair battery 12V 2.8Ah

Reference: BOL-MK-ES3-12R

The MK Battery ES3-12R is an electric wheelchair battery with 12 V and 2.8 Ah, measuring 133.1 × 33 × 103.9 mm.

The MK Battery ES3-12R at a glance

The MK Battery ES3-12R is made for powered wheelchairs. With 2.8 Ah per battery, the ES3-12R is designed for a full charge every night.

The ES3-12R belongs to the MK Battery MK AGM range. See all MK Battery batteries

What it means that the ES3-12R is AGM

Inside, the ES3-12R has glass fibre separators (AGM) that hold the electrolyte. The ES3-12R needs a charger with an AGM mode that does not exceed 14.7 V.

MK Battery ES3-12R vs ES2-12SLM and ES2-12V: which one to choose?

How the ES3-12R compares with MK Battery batteries of similar size and capacity:

ModelCapacityDimensions (mm)Weight
MK Battery ES3-12R (this one)2.8 Ah133.1 × 33 × 103.91.12 kg
MK Battery ES2-12SLM2 Ah150.1 × 20.1 × 89.90.73 kg
MK Battery ES2-12V2 Ah143 × 23.1 × 640.65 kg
  • MK Battery ES2-12SLM: 0.80 Ah less, a different case (150.1 × 20.1 × 89.9 mm).
  • MK Battery ES2-12V: 0.80 Ah less, a different case (143 × 23.1 × 64 mm).

Equivalents and alternatives to the MK Battery ES3-12R

No other reference in the catalogue fully matches the dimensions and polarity of the ES3-12R; you will find the closest ones among our electric wheelchair batteries.

MK Battery ES3-12R codes and part numbers

This is how the MK Battery ES3-12R appears on the label and in parts catalogues:

Commercial referenceES3-12R
Not to be confused withMK Battery ES3-12 (3 Ah)

What to look at before buying the ES3-12R

  • With 2.8 Ah, the ES3-12R replaces an original battery of that capacity or slightly less.
  • Length, width and height of the ES3-12R: 133.1 × 33 × 103.9 mm.

Frequently asked questions about the MK Battery ES3-12R

MK Battery ES3-12R or ES2-12SLM?

Compared with the ES3-12R, the MK Battery ES2-12SLM has 0.80 Ah less. With 2.8 Ah, the ES3-12R runs longer between charges than the ES2-12SLM (2 Ah). Mind the space: the ES2-12SLM measures 150.1 × 20.1 × 89.9 mm.

How much does the MK Battery ES3-12R weigh?

The ES3-12R weighs 1.12 kg. For reference, the MK Battery ES2-12SLM (2 Ah) weighs 0.73 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.

Keep comparing: alternatives to the ES3-12R

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