At a glance: For mobility scooters and wheelchairs there is the MK Battery 8G22NF, carrying a 51Ah 12V rating. Nominal voltage is 12V, the same as most equipment of this kind.
Why choose the MK Battery 8G22NF
Powerchair or scooter needing a MK Battery 8G22NF? Read on. Ratings of 51Ah 12V are the first thing to compare with the original pair. At baterias.online, each mobility battery is filed under maker and reference.
Most batteries for mobility scooters and wheelchairs land close to 51Ah, and this one does too.
12VVoltage
51AhCapacity, 20-hour rate (C20)
17.01 kgWeight
Five checks for a perfect fit
- ✓ Rated 51Ah: check that the charger or alternator in your system can refill a battery of that capacity in reasonable time.
- ✓ Chemistry: gel. Some vehicles and chargers are programmed for a specific type, so check before swapping.
- ✓ Measure the space available: the case takes up 228.3 × 138.9 × 235.2 mm, and a few millimetres too many can stop the hold-down from closing.
Specifications table
ManufacturerMK Battery
Reference8G22NF
Product lineMK GEL
Applicationmobility scooters and wheelchairs
Voltage12V
Capacity, 20-hour rate (C20)51Ah
TechnologyGel
Dimensions (L × W × H)228.3 × 138.9 × 235.2 mm
Weight17.01 kg
Your questions answered
How do I find the right battery by its code?
Look on the battery label for the part number and search for it with the brand name. That leads directly to the matching product page.
Is the MK Battery 8G22NF a heavy battery to fit?
17.01 kg is the listed weight. For larger batteries, a second pair of hands makes fitting safer.
Can I keep the MK Battery 8G22NF on a shelf before fitting?
Store it fully charged, away from heat and frost, and give it a refresh charge before installation.
Can you give me the size and weight of this battery?
Overall it is 228.3 × 138.9 × 235.2 mm (L × W × H) and tips the scales at 17.01 kg. Weight is a good clue to how much active material is inside.
About the technology: gel
A gel battery usually feels solid and heavy for its size. Golf buggies and scrubbers often run on gel. Over-voltage creates gas pockets in the gel that never fully disappear.
Alternatives that fit the same space
Looking to compare? Each of these has the dimensions and polarity of the MK Battery 8G22NF.
Deka 8G22NFMK Battery M22NF SLD GRitar RA12-55A
More options
Prefer to compare first? The links below lead to other options for mobility scooters and wheelchairs on baterias.online. Recycling the old battery is easy at most tips and garages.
MK Battery 8G22NF in everyday use
Holiday trips with a travel scooter mean charging in hotel rooms. Charge in a room with normal indoor temperature. Batteries left flat in storage often never recover.
