MK Battery

MK Battery ES9-12FR · Electric wheelchair battery 12V 9Ah

Reference: BOL-MK-ES9-12FR

The MK Battery ES9-12FR is an electric wheelchair battery with 12 V and 9 Ah, measuring 150.9 × 65 × 102.1 mm.

Voltage
12V
Capacity
9Ah
Technology
AGM
Dimensions (L × W × H)
150.9 × 65 × 102.1 mm
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The MK Battery ES9-12FR at a glance

The MK Battery ES9-12FR is made for powered wheelchairs. With 9 Ah per battery, the ES9-12FR is designed for a full charge every night.

The ES9-12FR belongs to the MK Battery MK AGM range. More MK Battery batteries

AGM technology in the ES9-12FR

Inside, the ES9-12FR has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

MK Battery ES9-12FR vs ES7-12, ES10-12S and ES7-12FR: differences

Torn between the ES9-12FR and another similar MK Battery? This is what changes:

ModelCapacityDimensions (mm)Weight
MK Battery ES9-12FR (this one)9 Ah150.9 × 65 × 102.12.69 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: 1.8 Ah less, the same dimensions.
  • MK Battery ES10-12S: 1 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: 1.8 Ah less, the same dimensions.

Equivalents and alternatives to the MK Battery ES9-12FR

Other AGM batteries that fit the ES9-12FR's tray with the same polarity: an AGM can only be replaced by another AGM.

ModelTechnologyCapacityDimensions (mm)
Kronobat ES9-12AGM9 Ah151 × 65 × 102
Kronobat ES7-12AGM7 Ah151 × 65 × 102
MK Battery ES9-12AGM9 Ah150.9 × 65 × 102.1
MK Battery ES9-12TEAGM9 Ah150.9 × 65 × 105.9
MK Battery ES7-12AGM7.2 Ah150.9 × 65 × 102.1
MK Battery ES7-12FRAGM7.2 Ah150.9 × 65 × 102.1

Part numbers and codes for the MK Battery ES9-12FR

Shops, garages and catalogues identify the ES9-12FR with these codes:

Commercial referenceES9-12FR
Not to be confused withMK Battery ES5-12FR (5 Ah), MK Battery ES7-12FR (7.2 Ah)

Before ordering the ES9-12FR, check this

  • With 9 Ah, the ES9-12FR replaces an original battery of that capacity or slightly less.
  • Measure the space: the ES9-12FR takes up 150.9 × 65 × 102.1 mm.

Frequently asked questions about the MK Battery ES9-12FR

ES9-12FR or ES7-12: which one suits me?

Compared with the ES9-12FR, the MK Battery ES7-12 has 1.8 Ah less. With 9 Ah, the ES9-12FR runs longer between charges than the ES7-12 (7.2 Ah). Both measure 150.9 × 65 × 102.1 mm, so they fit the same tray.

MK Battery ES9-12FR or ES10-12S: what changes?

Mainly the height: the ES9-12FR is 102.1 mm tall and the MK Battery ES10-12S 118.6 mm, with the same length and width and 10 Ah against 9 Ah. Before choosing between the ES9-12FR and the ES10-12S, measure the free height of the battery compartment with the cover or bonnet closed.

How much does the MK Battery ES9-12FR weigh?

2.69 kg, with 9 Ah of capacity. For reference, the MK Battery ES7-12 (7.2 Ah) weighs 2.39 kg.

Which battery is equivalent to the MK Battery ES9-12FR?

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

Which charger does the MK Battery ES9-12FR 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.

More batteries to compare with the ES9-12FR

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