MK Battery

MK Battery ES3-6 · Electric wheelchair battery 6V 3Ah

Reference: BOL-MK-ES3-6

The MK Battery ES3-6 is an electric wheelchair battery with 6 V and 3 Ah, measuring 134.1 × 34 × 65 mm.

The MK Battery ES3-6 at a glance

The MK Battery ES3-6 is made for powered wheelchairs. With 3 Ah per battery, the ES3-6 is designed for a full charge every night.

The ES3-6 belongs to the MK Battery MK AGM range. The full range of MK Battery batteries

What it means that the ES3-6 is AGM

Inside, the ES3-6 has glass fibre separators (AGM) that hold the electrolyte. The ES3-6 needs a charger with an AGM mode that does not exceed 14.7 V.

MK Battery ES3-6 vs ES3-6H and ES4-6SA: which one to choose?

How the ES3-6 compares with MK Battery batteries of similar size and capacity:

ModelCapacityDimensions (mm)Weight
MK Battery ES3-6 (this one)3 Ah134.1 × 34 × 650.7 kg
MK Battery ES3-6H2.8 Ah66 × 33 × 103.90.57 kg
MK Battery ES4-6SA4 Ah70.1 × 47 × 105.90.74 kg
  • MK Battery ES3-6H: 0.20 Ah less, a different case (66 × 33 × 103.9 mm).
  • MK Battery ES4-6SA: 1 Ah more, a different case (70.1 × 47 × 105.9 mm).

Equivalents and alternatives to the MK Battery ES3-6

No other reference in the catalogue fully matches the dimensions and polarity of the ES3-6; you will find the closest ones among our electric wheelchair batteries.

MK Battery ES3-6 codes and part numbers

This is how the MK Battery ES3-6 appears on the label and in parts catalogues:

Commercial referenceES3-6
Terminal typeF1
Not to be confused withMK Battery ES13-6 (13 Ah), MK Battery ES3-6H (2.8 Ah), MK Battery ES3.8-6 (3.8 Ah)

Check this before ordering the MK Battery ES3-6

  • Capacity of the ES3-6: 3 Ah; the same as your current battery or slightly more is fine.
  • The ES3-6 needs 134.1 × 34 × 65 mm of space: measure it with the hold-down clamp in place.

Frequently asked questions about the MK Battery ES3-6

MK Battery ES3-6 or ES3-6H?

Compared with the ES3-6, the MK Battery ES3-6H has 0.20 Ah less. With 3 Ah, the ES3-6 runs longer between charges than the ES3-6H (2.8 Ah). Mind the space: the ES3-6H measures 66 × 33 × 103.9 mm.

How much does the MK Battery ES3-6 weigh?

The ES3-6 weighs 0.7 kg. For reference, the MK Battery ES3-6H (2.8 Ah) weighs 0.57 kg.

Which charger does the MK Battery ES3-6 need?

A charger with an AGM mode that limits voltage to about 14.4-14.7 V. Never an old unregulated charger: overcharging dries out an AGM beyond repair.

More batteries to compare with the ES3-6

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