MK Battery

MK Battery ES2.3-12V · Electric wheelchair battery 12V 2.1Ah

Reference: BOL-MK-ES2.3-12V

The MK Battery ES2.3-12V is an electric wheelchair battery with 12 V and 2.1 Ah, measuring 182.1 × 23.1 × 61 mm.

Who the MK Battery ES2.3-12V is for

The MK Battery ES2.3-12V is made for powered wheelchairs. The ES2.3-12V is fitted in pairs: two 12 V batteries in series give the chair's 24 V.

The ES2.3-12V belongs to the MK Battery MK AGM range. The full range of MK Battery batteries

Inside the ES2.3-12V: AGM technology

Inside, the ES2.3-12V has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

MK Battery ES2.3-12V vs ES1.9-12 and ES2.4-12L: differences

How the ES2.3-12V compares with MK Battery batteries of similar size and capacity:

ModelCapacityDimensions (mm)Weight
MK Battery ES2.3-12V (this one)2.1 Ah182.1 × 23.1 × 610.65 kg
MK Battery ES1.9-122.3 Ah178.1 × 34 × 661.04 kg
MK Battery ES2.4-12L2.4 Ah178.1 × 34.5 × 660.96 kg
  • MK Battery ES1.9-12: 0.20 Ah more, a different case (178.1 × 34 × 66 mm).
  • MK Battery ES2.4-12L: 0.30 Ah more, a different case (178.1 × 34.5 × 66 mm).

Equivalents and alternatives to the MK Battery ES2.3-12V

No other reference in the catalogue fully matches the dimensions and polarity of the ES2.3-12V; you will find the closest ones among our electric wheelchair batteries.

MK Battery ES2.3-12V codes and part numbers

Shops, garages and catalogues identify the ES2.3-12V with these codes:

Commercial referenceES2.3-12V
Terminal typeF13
Not to be confused withMK Battery ES2-12V (2 Ah)

What to look at before buying the ES2.3-12V

  • Your current battery should say about 2.1 Ah; a little more is also fine.
  • Measure the space: the ES2.3-12V takes up 182.1 × 23.1 × 61 mm.

Frequently asked questions about the MK Battery ES2.3-12V

MK Battery ES2.3-12V or ES1.9-12?

Compared with the ES2.3-12V, the MK Battery ES1.9-12 has 0.20 Ah more. With 2.3 Ah, the ES1.9-12 runs longer between charges than the ES2.3-12V (2.1 Ah). Mind the space: the ES1.9-12 measures 178.1 × 34 × 66 mm.

How much does the MK Battery ES2.3-12V weigh?

The ES2.3-12V weighs 0.65 kg. For reference, the MK Battery ES1.9-12 (2.3 Ah) weighs 1.04 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 ES2.3-12V

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