MK Battery

MK Battery ES20-12FR HR · Electric wheelchair battery 12V 20Ah

Reference: BOL-MK-ES20-12FR HR

The MK Battery ES20-12FR HR is an electric wheelchair battery with 12 V and 20 Ah, measuring 181.1 × 75.9 × 166.9 mm.

MK Battery ES20-12FR HR · Electric wheelchair battery 12V 20Ah – main view
Voltage
12V
Capacity
20Ah
Technology
AGM
Dimensions (L × W × H)
181.1 × 75.9 × 166.9 mm
€63.90
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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.

The MK Battery ES20-12FR HR at a glance

The MK Battery ES20-12FR HR 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 ES20-12FR HR belongs to the MK Battery MK AGM range. The full range of MK Battery batteries

Equivalents and alternatives to the MK Battery ES20-12FR HR

Other AGM batteries that fit the ES20-12FR HR's tray with the same polarity: an AGM can only be replaced by another AGM.

ModelTechnologyCapacityDimensions (mm)
Long WP20-12AGM20 Ah181 × 76 × 167
Long WP20-12IAGM20 Ah181 × 76 × 167
Long WP20-12NAGM20 Ah181 × 76 × 167
Long WP20-12UAGM20 Ah181 × 76 × 167
Long WP20-12IEAGM20 Ah181 × 76 × 167
Kronobat ES20-12CFTAGM20 Ah181 × 76 × 167

MK Battery ES20-12FR HR vs ES17-12 and ES17-12S: which one to choose?

How the ES20-12FR HR compares with MK Battery batteries of similar size and capacity:

ModelCapacityDimensions (mm)Weight
MK Battery ES20-12FR HR (this one)20 Ah181.1 × 75.9 × 166.95.94 kg
MK Battery ES17-1218 Ah181.1 × 75.9 × 166.95.85 kg
MK Battery ES17-12S18 Ah181.1 × 75.9 × 166.95.85 kg
  • MK Battery ES17-12: 2 Ah less, the same dimensions.
  • MK Battery ES17-12S: 2 Ah less, the same dimensions.

What it means that the ES20-12FR HR is AGM

The ES20-12FR HR 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 ES20-12FR HR

  • Measure the space: the ES20-12FR HR takes up 181.1 × 75.9 × 166.9 mm.
  • Your current battery should say about 20 Ah; a little more is also fine.

Frequently asked questions about the MK Battery ES20-12FR HR

ES20-12FR HR or ES17-12: which one suits me?

Compared with the ES20-12FR HR, the MK Battery ES17-12 has 2 Ah less. With 20 Ah, the ES20-12FR HR 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 ES20-12FR HR weigh?

5.94 kg, with 20 Ah of capacity. For reference, the MK Battery ES17-12 (18 Ah) weighs 5.85 kg.

Which battery is equivalent to the MK Battery ES20-12FR HR?

Only other AGM batteries with its dimensions and polarity: Long WP20-12, Long WP20-12I and Long WP20-12N. Neither an EFB nor a conventional battery replaces the ES20-12FR HR.

How much range does the MK Battery ES20-12FR HR give in an electric wheelchair?

It depends on weight, terrain and the chair. As a guide, with 20 Ah per battery an average chair covers several kilometres a day; range drops with hills and cold batteries.

Keep comparing: alternatives to the ES20-12FR HR

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