MK Battery
MK Battery 8A22NF · Electric wheelchair battery 12V 55Ah
Reference: BOL-MK-8A22NF
The MK Battery 8A22NF is an electric wheelchair battery with 12 V and 55 Ah, measuring 243.8 × 138.9 × 234.7 mm.
MK Battery 8A22NF · Electric wheelchair battery 12V 55Ah images
- Voltage
- 12V
- Capacity
- 55Ah
- Technology
- AGM
- Dimensions (L × W × H)
- 243.8 × 138.9 × 234.7 mm
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14 days to return your order
If it does not fit, you have 14 days from delivery to return it unused.
Where the MK Battery 8A22NF fits
The MK Battery 8A22NF is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. The 8A22NF is fitted in pairs: two 12 V batteries in series give the chair's 24 V.
The 8A22NF belongs to the MK Battery MK AGM range. The full range of MK Battery batteries
Equivalents and alternatives to the MK Battery 8A22NF
As the 8A22NF is an AGM battery, we only list other AGM batteries with its dimensions and polarity: neither an EFB nor a conventional battery can replace it.
| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Deka 8A22NF | AGM | 55 Ah | 243.8 × 138.9 × 234.7 |
| MK Battery M22NF SLD A | AGM | 55 Ah | 243.8 × 138.9 × 234.7 |
MK Battery 8A22NF vs M22NF-HC and M62-12 SLD M: which one to choose?
Torn between the 8A22NF and another similar MK Battery? This is what changes:
| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| MK Battery 8A22NF (this one) | 55 Ah | 243.8 × 138.9 × 234.7 | 16.78 kg |
| MK Battery M22NF-HC | 48.4 Ah | 228.3 × 138.9 × 210.1 | 18.14 kg |
| MK Battery M62-12 SLD M | 65 Ah | 226 × 135 × 214 | 18.7 kg |
- MK Battery M22NF-HC: 6.60 Ah less, a different case (228.3 × 138.9 × 210.1 mm).
- MK Battery M62-12 SLD M: 10 Ah more, a different case (226 × 135 × 214 mm).
What it means that the 8A22NF is AGM
The 8A22NF is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.
Before ordering the 8A22NF, check this
- Measure the space: the 8A22NF takes up 243.8 × 138.9 × 234.7 mm.
- Capacity of the 8A22NF: 55 Ah; the same as your current battery or slightly more is fine.
MK Battery 8A22NF codes and part numbers
The 8A22NF is listed under these codes on labels, in garages and in catalogues:
| Commercial reference | 8A22NF |
|---|---|
| Not to be confused with | MK Battery 8G22NF (51 Ah) |
Frequently asked questions about the MK Battery 8A22NF
MK Battery 8A22NF or M22NF-HC?
Compared with the 8A22NF, the MK Battery M22NF-HC has 6.60 Ah less. With 55 Ah, the 8A22NF runs longer between charges than the M22NF-HC (48.4 Ah). Mind the space: the M22NF-HC measures 228.3 × 138.9 × 210.1 mm.
How much does the MK Battery 8A22NF weigh?
The 8A22NF weighs 16.78 kg. For reference, the MK Battery M22NF-HC (48.4 Ah) weighs 18.14 kg.
Which battery is equivalent to the MK Battery 8A22NF?
Only other AGM batteries with its dimensions and polarity: Deka 8A22NF and MK Battery M22NF SLD A. Neither an EFB nor a conventional battery replaces the 8A22NF.
Which charger does the MK Battery 8A22NF 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 8A22NF
- Other electric wheelchair batteries
- More MK Battery models
- Ritar RA12-55A · 58 Ah, 229×138×235 mm
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