MK Battery

MK Battery ES3.8-6 · Electric wheelchair battery 6V 3.8Ah

Reference: BOL-MK-ES3.8-6

The MK Battery ES3.8-6 is an electric wheelchair battery with 6 V and 3.8 Ah, measuring 66 × 33 × 126 mm.

MK Battery ES3.8-6 · Electric wheelchair battery 6V 3.8Ah – main view
Voltage
6V
Capacity
3.8Ah
Technology
AGM
Dimensions (L × W × H)
66 × 33 × 126 mm
€30.33
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If it does not fit, you have 14 days from delivery to return it unused.

The MK Battery ES3.8-6 at a glance

The MK Battery ES3.8-6 is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. With 3.8 Ah per battery, the ES3.8-6 is designed for a full charge every night.

The ES3.8-6 belongs to the MK Battery MK AGM range. See all MK Battery batteries

Equivalents and alternatives to the MK Battery ES3.8-6

No other reference in the catalogue fully matches the dimensions and polarity of the ES3.8-6; you will find the closest ones among our electric wheelchair batteries.

MK Battery ES3.8-6 vs ES4-6SA, ES3-6H and ES4-6: which one to choose?

How the ES3.8-6 compares with MK Battery batteries of similar size and capacity:

ModelCapacityDimensions (mm)Weight
MK Battery ES3.8-6 (this one)3.8 Ah66 × 33 × 1260.74 kg
MK Battery ES4-6SA4 Ah70.1 × 47 × 105.90.74 kg
MK Battery ES3-6H2.8 Ah66 × 33 × 103.90.57 kg
MK Battery ES4-64.5 Ah70.1 × 47 × 105.90.82 kg
  • MK Battery ES4-6SA: 0.20 Ah more, a different case (70.1 × 47 × 105.9 mm).
  • MK Battery ES3-6H: 1 Ah less, a different height (103.9 mm instead of 126 mm). It is the option if your battery tray cannot take the 126 mm height of the ES3.8-6.
  • MK Battery ES4-6: 0.70 Ah more, a different case (70.1 × 47 × 105.9 mm).

Inside the ES3.8-6: AGM technology

The ES3.8-6 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the ES3.8-6 can be fitted in the boot or under a seat with no risk of spills.

Check this before ordering the MK Battery ES3.8-6

  • The ES3.8-6 needs 66 × 33 × 126 mm of space: measure it with the hold-down clamp in place.
  • Your current battery should say about 3.8 Ah; a little more is also fine.

MK Battery ES3.8-6 codes and part numbers

Look for any of these ES3.8-6 codes on your current battery or in the manufacturer's catalogue:

Commercial referenceES3.8-6
Terminal typeF1
Not to be confused withMK Battery ES3-6 (3 Ah)

Frequently asked questions about the MK Battery ES3.8-6

MK Battery ES3.8-6 or ES4-6SA?

Compared with the ES3.8-6, the MK Battery ES4-6SA has 0.20 Ah more. With 4 Ah, the ES4-6SA runs longer between charges than the ES3.8-6 (3.8 Ah). Mind the space: the ES4-6SA measures 70.1 × 47 × 105.9 mm.

MK Battery ES3.8-6 or ES3-6H: what changes?

Mainly the height: the ES3.8-6 is 126 mm tall and the MK Battery ES3-6H 103.9 mm, with the same length and width and 2.8 Ah against 3.8 Ah. Before choosing between the ES3.8-6 and the ES3-6H, measure the free height of the battery compartment with the cover or bonnet closed.

How much does the MK Battery ES3.8-6 weigh?

The ES3.8-6 weighs 0.74 kg. For reference, the MK Battery ES4-6SA (4 Ah) weighs 0.74 kg.

How much range does the MK Battery ES3.8-6 give in an electric wheelchair?

It depends on weight, terrain and the chair. As a guide, with 3.8 Ah per battery an average chair covers several kilometres a day; range drops with hills and cold batteries.

Other options if you are unsure about the ES3.8-6

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