MK Battery

MK Battery 8G27 · Electric wheelchair battery 12V 88Ah

Reference: BOL-MK-8G27 · EAN 3660766462640

The MK Battery 8G27 is an electric wheelchair battery with 12 V and 88 Ah, measuring 325.9 × 166.6 × 241.3 mm.

Who the MK Battery 8G27 is for

The MK Battery 8G27 is made for powered wheelchairs. It is fitted as a 12 V pair and takes hundreds of daily cycles, something a starter battery could not handle.

The 8G27 belongs to the MK Battery MK GEL range. The full range of MK Battery batteries

Inside the 8G27: GEL technology

Inside, the 8G27 holds its electrolyte in gel form. To charge the 8G27, use a charger with a gel profile.

MK Battery 8G27 vs 8G31DT and 8G31: differences

How the 8G27 compares with MK Battery batteries of similar size and capacity:

ModelCapacityDimensions (mm)Weight
MK Battery 8G27 (this one)88 Ah325.9 × 166.6 × 241.328.12 kg
MK Battery 8G31DT97.6 Ah328.4 × 171.2 × 238.831.07 kg
MK Battery 8G3197.6 Ah328.4 × 171.2 × 23731.07 kg
  • MK Battery 8G31DT: 9.60 Ah more, a different case (328.4 × 171.2 × 238.8 mm).
  • MK Battery 8G31: 9.60 Ah more, a different case (328.4 × 171.2 × 237 mm).

Equivalents and alternatives to the MK Battery 8G27

Other gel batteries with the dimensions and polarity of the 8G27: with gel it is best to stay with gel, because the charging profile is different.

ModelTechnologyCapacityDimensions (mm)
Deka 8G27GEL88 Ah325.9 × 166.6 × 241.3

MK Battery 8G27 codes and part numbers

This is how the MK Battery 8G27 appears on the label and in parts catalogues:

Commercial reference8G27
EAN3660766462640
Terminal typeDT
Not to be confused withMK Battery 8A27 (92 Ah), MK Battery 8G24 (73.6 Ah)

Check this before ordering the MK Battery 8G27

  • Your current battery should say about 88 Ah; a little more is also fine.
  • Length, width and height of the 8G27: 325.9 × 166.6 × 241.3 mm.

Frequently asked questions about the MK Battery 8G27

MK Battery 8G27 or 8G31DT?

Compared with the 8G27, the MK Battery 8G31DT has 9.60 Ah more. With 97.6 Ah, the 8G31DT runs longer between charges than the 8G27 (88 Ah). Mind the space: the 8G31DT measures 328.4 × 171.2 × 238.8 mm.

How much does the MK Battery 8G27 weigh?

The 8G27 weighs 28.12 kg. For reference, the MK Battery 8G31DT (97.6 Ah) weighs 31.07 kg.

Which battery is equivalent to the MK Battery 8G27?

For the 8G27, other gel batteries with its size and polarity: Deka 8G27.

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.

Keep comparing: alternatives to the 8G27

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