MK Battery

MK Battery ES17-12 · Electric wheelchair battery 12V 18Ah

Reference: BOL-MK-ES17-12

The MK Battery ES17-12 is an electric wheelchair battery with 12 V and 18 Ah, measuring 181.1 × 75.9 × 166.9 mm.

MK Battery ES17-12 · Electric wheelchair battery 12V 18Ah – main view
Voltage
12V
Capacity
18Ah
Technology
AGM
Dimensions (L × W × H)
181.1 × 75.9 × 166.9 mm
€79.58
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For Spain, Portugal, France, Germany, Italy, Belgium and the Netherlands you see the exact cost before paying. For the rest of Europe we send you a shipping quote, with no obligation. 14 days to return your order
If it does not fit, you have 14 days from delivery to return it unused.

Who the MK Battery ES17-12 is for

The MK Battery ES17-12 is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. The ES17-12 is fitted in pairs: two 12 V batteries in series give the chair's 24 V.

The ES17-12 belongs to the MK Battery MK AGM range. More MK Battery batteries

Equivalents and alternatives to the MK Battery ES17-12

As the ES17-12 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)
Long WP18-12AGM18 Ah181 × 76 × 167
Long WP18-12IAGM18 Ah181 × 76 × 167
Long WP18-12NAGM18 Ah181 × 76 × 167
Long WP18-12UAGM18 Ah181 × 76 × 167
Kronobat ES17-12AGM18 Ah181 × 76 × 167
Q-Battery 12LCP-19AGM19 Ah181 × 77 × 167

MK Battery ES17-12 vs ES20-12C and ES20-12C FT: differences

How the ES17-12 compares with MK Battery batteries of similar size and capacity:

ModelCapacityDimensions (mm)Weight
MK Battery ES17-12 (this one)18 Ah181.1 × 75.9 × 166.95.85 kg
MK Battery ES20-12C20 Ah181.1 × 75.9 × 166.95.94 kg
MK Battery ES20-12C FT20 Ah181.1 × 75.9 × 166.95.94 kg
  • MK Battery ES20-12C: 2 Ah more, the same dimensions.
  • MK Battery ES20-12C FT: 2 Ah more, the same dimensions.

What it means that the ES17-12 is AGM

The ES17-12 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.

What to look at before buying the ES17-12

  • The ES17-12 needs 181.1 × 75.9 × 166.9 mm of space: measure it with the hold-down clamp in place.
  • With 18 Ah, the ES17-12 replaces an original battery of that capacity or slightly less.

MK Battery ES17-12 codes and part numbers

The ES17-12 is listed under these codes on labels, in garages and in catalogues:

Commercial referenceES17-12
Terminal typeF2 / F3
Not to be confused withMK Battery ES1.2-12 (1.2 Ah), MK Battery ES1.9-12 (2.3 Ah), MK Battery ES12-12 (12 Ah)

Frequently asked questions about the MK Battery ES17-12

MK Battery ES17-12 or ES20-12C?

Compared with the ES17-12, the MK Battery ES20-12C has 2 Ah more. With 20 Ah, the ES20-12C runs longer between charges than the ES17-12 (18 Ah). Both measure 181.1 × 75.9 × 166.9 mm, so they fit the same tray.

How much does the MK Battery ES17-12 weigh?

The ES17-12 weighs 5.85 kg. For reference, the MK Battery ES20-12C (20 Ah) weighs 5.94 kg.

Which battery is equivalent to the MK Battery ES17-12?

Only other AGM batteries with its dimensions and polarity: Long WP18-12, Long WP18-12I and Long WP18-12N. Neither an EFB nor a conventional battery replaces the ES17-12.

Which charger does the MK Battery ES17-12 need?

A charger with an AGM mode that limits voltage to about 14.4-14.7 V. Never an old unregulated charger: overcharging dries out an AGM beyond repair.

Other options if you are unsure about the ES17-12

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