MK Battery

MK Battery ES4-6 · Electric wheelchair battery 6V 4.5Ah

Reference: BOL-MK-ES4-6

The MK Battery ES4-6 is an electric wheelchair battery with 6 V and 4.5 Ah, measuring 70.1 × 47 × 105.9 mm.

The MK Battery ES4-6 at a glance

The MK Battery ES4-6 is made for powered wheelchairs. With 4.5 Ah per battery, the ES4-6 is designed for a full charge every night.

The ES4-6 belongs to the MK Battery MK AGM range. More MK Battery batteries

Equivalents and alternatives to the MK Battery ES4-6

Other AGM batteries that fit the ES4-6's tray with the same polarity: an AGM can only be replaced by another AGM.

ModelTechnologyCapacityDimensions (mm)
MK Battery ES4-6SAAGM4 Ah70.1 × 47 × 105.9

MK Battery ES4-6 vs ES4-6SA and ES3.8-6

Torn between the ES4-6 and another similar MK Battery? This is what changes:

ModelCapacityDimensions (mm)Weight
MK Battery ES4-6 (this one)4.5 Ah70.1 × 47 × 105.90.82 kg
MK Battery ES4-6SA4 Ah70.1 × 47 × 105.90.74 kg
MK Battery ES3.8-63.8 Ah66 × 33 × 1260.74 kg
  • MK Battery ES4-6SA: 0.5 Ah less, the same dimensions.
  • MK Battery ES3.8-6: 0.70 Ah less, a different case (66 × 33 × 126 mm).

AGM technology in the ES4-6

Inside, the ES4-6 has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

What to look at before buying the ES4-6

  • The ES4-6 needs 70.1 × 47 × 105.9 mm of space: measure it with the hold-down clamp in place.
  • With 4.5 Ah, the ES4-6 replaces an original battery of that capacity or slightly less.

Part numbers and codes for the MK Battery ES4-6

Shops, garages and catalogues identify the ES4-6 with these codes:

Commercial referenceES4-6
Terminal typeF1
Not to be confused withMK Battery ES3-6 (3 Ah), MK Battery ES42-6 (42 Ah), MK Battery ES7-6 (7 Ah)

Frequently asked questions about the MK Battery ES4-6

ES4-6 or ES4-6SA: which one suits me?

Compared with the ES4-6, the MK Battery ES4-6SA has 0.5 Ah less. With 4.5 Ah, the ES4-6 runs longer between charges than the ES4-6SA (4 Ah). Both measure 70.1 × 47 × 105.9 mm, so they fit the same tray.

How much does the MK Battery ES4-6 weigh?

0.82 kg, with 4.5 Ah of capacity. For reference, the MK Battery ES4-6SA (4 Ah) weighs 0.74 kg.

Which battery is equivalent to the MK Battery ES4-6?

Only other AGM batteries with its dimensions and polarity: MK Battery ES4-6SA. Neither an EFB nor a conventional battery replaces the ES4-6.

How much range does the MK Battery ES4-6 give in an electric wheelchair?

It depends on weight, terrain and the chair. As a guide, with 4.5 Ah per battery an average chair covers several kilometres a day; range drops with hills and cold batteries.

More batteries to compare with the ES4-6

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