12VNominal voltage
51AhCapacity (C20)
17.01 kgWeighs
In short: Need a battery for mobility scooters and wheelchairs? Consider the MK Battery M22NF SLD G, rated 51Ah 12V. Technology matters here: it is a gel battery.
Getting the best from the MK Battery M22NF SLD G
Powerchairs used from morning to night cycle their batteries hard every day. If the chair is going into storage, charge fully first and top up every few weeks. Charging with an unsuitable charger leaves batteries undercharged.
Measurements, ratings and codes
ManufacturerMK Battery
ReferenceM22NF SLD G
RangeMK GEL
Used formobility scooters and wheelchairs
Nominal voltage12V
Capacity (C20)51Ah
ChemistryGel
Size L × W × H228.3 × 138.9 × 235.2 mm
Weighs17.01 kg
TerminalsG (T881)
Barcode3660766462619
How gel batteries work and how to look after them
Very little gas escapes from a gel battery during normal use. Hours-long gentle drains, such as lighting or pumps, suit gel well. Over-voltage creates gas pockets in the gel that never fully disappear.
Alternatives that fit the same space
Same format, different makers: these alternatives match the MK Battery M22NF SLD G in size and layout.
Deka 8G22NFMK Battery 8G22NFRitar RA12-55A
Questions and answers
Any tips for keeping a spare battery?
It is a good idea. All batteries lose some charge on the shelf, so a top-up before fitting helps.
How big and heavy is this MK Battery battery?
At 228.3 × 138.9 × 235.2 mm and 17.01 kg, it needs a tray of that size and a careful lift.
What are the voltage and capacity of this model?
It is rated 12V and 51Ah. Check your equipment's voltage first: a mismatch can damage electronics or simply not work.
Is gel the same as the battery I have now?
Its technology is gel. The table above repeats it next to the size and ratings.
Buying the MK Battery M22NF SLD G online
If the label inside the battery box reads MK Battery M22NF SLD G, you have found the replacement. Weighing 17.01 kg, it needs careful lifting. At baterias.online, each mobility battery is filed under maker and reference.
A capacity of 51Ah matches what many vehicles and machines in this group expect.
More options
Keep the code M22NF SLD G handy for next time: it makes reordering at baterias.online quick. Once the battery is in, keep the old one for recycling at an authorised point.
Quick compatibility checklist
- ✓ 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.
- ✓ Capacity is 51Ah. Aim for the same figure as your old battery or slightly above, never much lower.
- ✓ Photograph your old terminals and compare with G (T881).
