MK Battery

MK Battery ES7-12SA · Electric wheelchair battery 12V 7Ah

Reference: BOL-MK-ES7-12SA

MK Battery ES7-12SA: electric wheelchair battery with 12 V and 7 Ah, measuring 150.9 × 65 × 102.1 mm.

The MK Battery ES7-12SA at a glance

The MK Battery ES7-12SA is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. With 7 Ah per battery, the ES7-12SA is designed for a full charge every night.

The ES7-12SA belongs to the MK Battery MK AGM range. See all MK Battery batteries

Inside the ES7-12SA: AGM technology

The ES7-12SA is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the ES7-12SA can be fitted in the boot or under a seat with no risk of spills.

MK Battery ES7-12SA vs ES7-12, ES10-12S and ES7-12FR

What sets the ES7-12SA apart from its neighbours in the MK Battery range:

ModelCapacityDimensions (mm)Weight
MK Battery ES7-12SA (this one)7 Ah150.9 × 65 × 102.12.2 kg
MK Battery ES7-127.2 Ah150.9 × 65 × 102.12.39 kg
MK Battery ES10-12S10 Ah150.9 × 65 × 118.63.28 kg
MK Battery ES7-12FR7.2 Ah150.9 × 65 × 102.12.39 kg
  • MK Battery ES7-12: 0.20 Ah more, the same dimensions.
  • MK Battery ES10-12S: 3 Ah more, a different height (118.6 mm instead of 102.1 mm). It only fits if there is room for 118.6 mm of height.
  • MK Battery ES7-12FR: 0.20 Ah more, the same dimensions.

Equivalents and alternatives to the MK Battery ES7-12SA

As the ES7-12SA 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)
Kronobat ES7-12AGM7 Ah151 × 65 × 102
Kronobat ES9-12AGM9 Ah151 × 65 × 102
MK Battery ES7-12SA T2AGM7 Ah150.9 × 65 × 102.1
MK Battery ES7-12AGM7.2 Ah150.9 × 65 × 102.1
MK Battery ES7-12FRAGM7.2 Ah150.9 × 65 × 102.1
MK Battery ES7-12FR T2AGM7.2 Ah150.9 × 65 × 102.1

MK Battery ES7-12SA codes and part numbers

Look for any of these ES7-12SA codes on your current battery or in the manufacturer's catalogue:

Commercial referenceES7-12SA
Terminal typeF1 / F2
Not to be confused withMK Battery ES5-12SA (5 Ah)

What to look at before buying the ES7-12SA

  • Capacity of the ES7-12SA: 7 Ah; the same as your current battery or slightly more is fine.
  • Length, width and height of the ES7-12SA: 150.9 × 65 × 102.1 mm.

Frequently asked questions about the MK Battery ES7-12SA

MK Battery ES7-12SA or ES7-12?

Compared with the ES7-12SA, the MK Battery ES7-12 has 0.20 Ah more. With 7.2 Ah, the ES7-12 runs longer between charges than the ES7-12SA (7 Ah). Both measure 150.9 × 65 × 102.1 mm, so they fit the same tray.

MK Battery ES7-12SA or ES10-12S: what changes?

Mainly the height: the ES7-12SA is 102.1 mm tall and the MK Battery ES10-12S 118.6 mm, with the same length and width and 10 Ah against 7 Ah. Before choosing between the ES7-12SA and the ES10-12S, measure the free height of the battery compartment with the cover or bonnet closed.

How much does the MK Battery ES7-12SA weigh?

The ES7-12SA weighs 2.2 kg. For reference, the MK Battery ES7-12 (7.2 Ah) weighs 2.39 kg.

Which battery is equivalent to the MK Battery ES7-12SA?

Only other AGM batteries with its dimensions and polarity: Kronobat ES7-12, Kronobat ES9-12 and MK Battery ES7-12SA T2. Neither an EFB nor a conventional battery replaces the ES7-12SA.

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 ES7-12SA

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