MK Battery

MK Battery ES26-12 · Electric wheelchair battery 12V 26Ah

Reference: BOL-MK-ES26-12 · EAN 3660766448538

The MK Battery ES26-12 is an electric wheelchair battery with 12 V and 26 Ah, measuring 166.1 × 175 × 125 mm, with the positive terminal on the right.

The MK Battery ES26-12 at a glance

The MK Battery ES26-12 is made for powered wheelchairs. It is fitted as a 12 V pair and takes hundreds of daily cycles, something a starter battery could not handle.

The ES26-12 belongs to the MK Battery MK AGM range. See all MK Battery batteries

Equivalents and alternatives to the MK Battery ES26-12

Other AGM batteries that fit the ES26-12's tray with the same polarity: an AGM can only be replaced by another AGM.

ModelTechnologyCapacityDimensions (mm)
Long WP26-12AGM26 Ah166 × 175 × 125
Long WP26-12NAGM26 Ah166 × 175 × 125
Long WP26-12NEAGM26 Ah166 × 175 × 125
Kronobat ES26-12AGM26 Ah166 × 175 × 125
Fullriver DCG26-12AGM26 Ah165 × 176 × 125
Long WP24-12AGM24 Ah166 × 175 × 125

MK Battery ES26-12 vs MU-1 SLD M-33 and MU-1 SLD M-2: which one to choose?

Torn between the ES26-12 and another similar MK Battery? This is what changes:

ModelCapacityDimensions (mm)PositiveWeight
MK Battery ES26-12 (this one)26 Ah166.1 × 175 × 125right9.28 kg
MK Battery MU-1 SLD M-3333 Ah196.1 × 130 × 180.1–10.48 kg
MK Battery MU-1 SLD M-235 Ah197 × 131 × 180–10.48 kg
  • MK Battery MU-1 SLD M-33: 7 Ah more, a different case (196.1 × 130 × 180.1 mm).
  • MK Battery MU-1 SLD M-2: 9 Ah more, a different case (197 × 131 × 180 mm).

AGM technology in the ES26-12

Inside, the ES26-12 has glass fibre separators (AGM) that hold the electrolyte. The ES26-12 needs a charger with an AGM mode that does not exceed 14.7 V.

Before ordering the ES26-12, check this

  • Measure the space: the ES26-12 takes up 166.1 × 175 × 125 mm.
  • Polarity of the ES26-12: positive terminal on the right (if yours has it on the other side, the cables will not reach).
  • Your current battery should say about 26 Ah; a little more is also fine.

Part numbers and codes for the MK Battery ES26-12

This is how the MK Battery ES26-12 appears on the label and in parts catalogues:

Commercial referenceES26-12
EAN3660766448538
Not to be confused withMK Battery ES2.9-12 (2.9 Ah), MK Battery ES22-12 (22 Ah), MK Battery ES26-12T (26 Ah)

Frequently asked questions about the MK Battery ES26-12

ES26-12 or MU-1 SLD M-33: which one suits me?

Compared with the ES26-12, the MK Battery MU-1 SLD M-33 has 7 Ah more. With 33 Ah, the MU-1 SLD M-33 runs longer between charges than the ES26-12 (26 Ah). Mind the space: the MU-1 SLD M-33 measures 196.1 × 130 × 180.1 mm.

How much does the MK Battery ES26-12 weigh?

9.28 kg, with 26 Ah of capacity. For reference, the MK Battery MU-1 SLD M-33 (33 Ah) weighs 10.48 kg.

Which battery is equivalent to the MK Battery ES26-12?

Only other AGM batteries with its dimensions and polarity: Long WP26-12, Long WP26-12N and Long WP26-12NE. Neither an EFB nor a conventional battery replaces the ES26-12.

Which side is the positive terminal on the MK Battery ES26-12?

On the ES26-12, the positive terminal is on the right with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.

Other options if you are unsure about the ES26-12

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