MK Battery

MK Battery ES12-6 T2 · Electric wheelchair battery 6V 12Ah

Reference: BOL-MK-ES12-6 T2

MK Battery ES12-6 T2: electric wheelchair battery with 6 V and 12 Ah, measuring 150.9 × 50 × 99.1 mm.

Who the MK Battery ES12-6 T2 is for

The MK Battery ES12-6 T2 is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. It is fitted as a 12 V pair and takes hundreds of daily cycles, something a starter battery could not handle.

The ES12-6 T2 belongs to the MK Battery MK AGM range. See all MK Battery batteries

AGM technology in the ES12-6 T2

The ES12-6 T2 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.

MK Battery ES12-6 T2 vs ES8.2-6S and ES13-6

What sets the ES12-6 T2 apart from its neighbours in the MK Battery range:

ModelCapacityDimensions (mm)Weight
MK Battery ES12-6 T2 (this one)12 Ah150.9 × 50 × 99.11.84 kg
MK Battery ES8.2-6S9 Ah98.6 × 55.9 × 118.11.7 kg
MK Battery ES13-613 Ah108 × 70.1 × 1402.24 kg
  • MK Battery ES8.2-6S: 3 Ah less, a different case (98.6 × 55.9 × 118.1 mm).
  • MK Battery ES13-6: 1 Ah more, a different case (108 × 70.1 × 140 mm).

Equivalents and alternatives to the MK Battery ES12-6 T2

As the ES12-6 T2 is an AGM battery, we only list other AGM batteries with its dimensions and polarity: neither an EFB nor a conventional battery can replace it.

ModelTechnologyCapacityDimensions (mm)
MK Battery ES12-6AGM12 Ah150.9 × 50 × 99.1
MK Battery ES12-6FR HRAGM12 Ah150.9 × 50 × 99.1

What to look at before buying the ES12-6 T2

  • Capacity of the ES12-6 T2: 12 Ah; the same as your current battery or slightly more is fine.
  • The ES12-6 T2 needs 150.9 × 50 × 99.1 mm of space: measure it with the hold-down clamp in place.

Frequently asked questions about the MK Battery ES12-6 T2

MK Battery ES12-6 T2 or ES8.2-6S?

Compared with the ES12-6 T2, the MK Battery ES8.2-6S has 3 Ah less. With 12 Ah, the ES12-6 T2 runs longer between charges than the ES8.2-6S (9 Ah). Mind the space: the ES8.2-6S measures 98.6 × 55.9 × 118.1 mm.

How much does the MK Battery ES12-6 T2 weigh?

The ES12-6 T2 weighs 1.84 kg. For reference, the MK Battery ES8.2-6S (9 Ah) weighs 1.7 kg.

Which battery is equivalent to the MK Battery ES12-6 T2?

Only other AGM batteries with its dimensions and polarity: MK Battery ES12-6 and MK Battery ES12-6FR HR. Neither an EFB nor a conventional battery replaces the ES12-6 T2.

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.

Keep comparing: alternatives to the ES12-6 T2

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