MK Battery

MK Battery ES10-12S · Electric wheelchair battery 12V 10Ah

Reference: BOL-MK-ES10-12S

The MK Battery ES10-12S is an electric wheelchair battery with 12 V and 10 Ah, measuring 150.9 × 65 × 118.6 mm.

Who the MK Battery ES10-12S is for

The MK Battery ES10-12S is made for powered wheelchairs. With 10 Ah per battery, the ES10-12S is designed for a full charge every night.

The ES10-12S belongs to the MK Battery MK AGM range. The full range of MK Battery batteries

AGM technology in the ES10-12S

Inside, the ES10-12S has glass fibre separators (AGM) that hold the electrolyte. The ES10-12S needs a charger with an AGM mode that does not exceed 14.7 V.

MK Battery ES10-12S vs ES12-12TE, ES9-12 and ES9-12FR: differences

Torn between the ES10-12S and another similar MK Battery? This is what changes:

ModelCapacityDimensions (mm)Weight
MK Battery ES10-12S (this one)10 Ah150.9 × 65 × 118.63.28 kg
MK Battery ES12-12TE12 Ah150.9 × 98 × 103.94.01 kg
MK Battery ES9-129 Ah150.9 × 65 × 102.12.69 kg
MK Battery ES9-12FR9 Ah150.9 × 65 × 102.12.69 kg
MK Battery ES12-1212 Ah150.9 × 98 × 984.01 kg
  • MK Battery ES12-12TE: 2 Ah more, a different case (150.9 × 98 × 103.9 mm).
  • MK Battery ES9-12: 1 Ah less, a different height (102.1 mm instead of 118.6 mm). It is the option if your battery tray cannot take the 118.6 mm height of the ES10-12S.
  • MK Battery ES9-12FR: 1 Ah less, a different height (102.1 mm instead of 118.6 mm). It is the option if your battery tray cannot take the 118.6 mm height of the ES10-12S.
  • MK Battery ES12-12: 2 Ah more, a different case (150.9 × 98 × 98 mm).

Equivalents and alternatives to the MK Battery ES10-12S

Other AGM batteries that fit the ES10-12S's tray with the same polarity: an AGM can only be replaced by another AGM.

ModelTechnologyCapacityDimensions (mm)
Long WP10-12SEAGM10 Ah151 × 65 × 118.5
Fullriver DC10-12AGM10 Ah151 × 65 × 117

Part numbers and codes for the MK Battery ES10-12S

This is how the MK Battery ES10-12S appears on the label and in parts catalogues:

Commercial referenceES10-12S
Terminal typeF2
Not to be confused withMK Battery ES17-12S (18 Ah)

Check this before ordering the MK Battery ES10-12S

  • With 10 Ah, the ES10-12S replaces an original battery of that capacity or slightly less.
  • Measure the space: the ES10-12S takes up 150.9 × 65 × 118.6 mm.

Frequently asked questions about the MK Battery ES10-12S

ES10-12S or ES12-12TE: which one suits me?

Compared with the ES10-12S, the MK Battery ES12-12TE has 2 Ah more. With 12 Ah, the ES12-12TE runs longer between charges than the ES10-12S (10 Ah). Mind the space: the ES12-12TE measures 150.9 × 98 × 103.9 mm.

MK Battery ES10-12S or ES9-12/ES9-12FR: what changes?

Mainly the height: the ES10-12S is 118.6 mm tall and the MK Battery ES9-12 102.1 mm, with the same length and width and 9 Ah against 10 Ah. The MK Battery ES9-12FR is 102.1 mm tall, with 9 Ah and A. Before choosing between the ES10-12S and the ES9-12, measure the free height of the battery compartment with the cover or bonnet closed.

How much does the MK Battery ES10-12S weigh?

3.28 kg, with 10 Ah of capacity. For reference, the MK Battery ES12-12TE (12 Ah) weighs 4.01 kg.

Which battery is equivalent to the MK Battery ES10-12S?

Only other AGM batteries with its dimensions and polarity: Long WP10-12SE and Fullriver DC10-12. Neither an EFB nor a conventional battery replaces the ES10-12S.

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.

Other options if you are unsure about the ES10-12S

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