MK Battery
MK Battery ES33-12 · Electric wheelchair battery 12V 35Ah
Reference: BOL-MK-ES33-12
MK Battery ES33-12: electric wheelchair battery with 12 V and 35 Ah, measuring 196.1 × 130 × 180.1 mm.
MK Battery ES33-12 · Electric wheelchair battery 12V 35Ah images
- Voltage
- 12V
- Capacity
- 35Ah
- Technology
- AGM
- Dimensions (L × W × H)
- 196.1 × 130 × 180.1 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.
The MK Battery ES33-12 at a glance
The MK Battery ES33-12 is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. With 35 Ah per battery, the ES33-12 is designed for a full charge every night.
The ES33-12 belongs to the MK Battery MK AGM range. See all MK Battery batteries
Inside the ES33-12: AGM technology
The ES33-12 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.
MK Battery ES33-12 vs MU-1 SLD M-33 and 8AU1H: differences
What sets the ES33-12 apart from its neighbours in the MK Battery range:
| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| MK Battery ES33-12 (this one) | 35 Ah | 196.1 × 130 × 180.1 | 10.48 kg |
| MK Battery MU-1 SLD M-33 | 33 Ah | 196.1 × 130 × 180.1 | 10.48 kg |
| MK Battery 8AU1H | 32 Ah | 213.6 × 131.6 × 183.4 | 10.43 kg |
- MK Battery MU-1 SLD M-33: 2 Ah less, the same dimensions.
- MK Battery 8AU1H: 3 Ah less, a different case (213.6 × 131.6 × 183.4 mm).
Equivalents and alternatives to the MK Battery ES33-12
Other AGM batteries that fit the ES33-12's tray with the same polarity: an AGM can only be replaced by another AGM.
| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Ritar RA12-33 | AGM | 35 Ah | 195 × 130 × 180 |
| Long U1-34H | AGM | 34 Ah | 197 × 131 × 180 |
| Long U1-34HE | AGM | 34 Ah | 197 × 131 × 180 |
| Long U1-36HE | AGM | 36 Ah | 197 × 131 × 180 |
| Kronobat ES34-12 | AGM | 34 Ah | 197 × 131 × 180 |
| Long U1-33H | AGM | 33 Ah | 197 × 131 × 180 |
Part numbers and codes for the MK Battery ES33-12
The ES33-12 is listed under these codes on labels, in garages and in catalogues:
| Commercial reference | ES33-12 |
|---|---|
| Not to be confused with | MK Battery ES3-12 (3 Ah) |
Before ordering the ES33-12, check this
- With 35 Ah, the ES33-12 replaces an original battery of that capacity or slightly less.
- Measure the space: the ES33-12 takes up 196.1 × 130 × 180.1 mm.
Frequently asked questions about the MK Battery ES33-12
ES33-12 or MU-1 SLD M-33: which one suits me?
Compared with the ES33-12, the MK Battery MU-1 SLD M-33 has 2 Ah less. With 35 Ah, the ES33-12 runs longer between charges than the MU-1 SLD M-33 (33 Ah). Both measure 196.1 × 130 × 180.1 mm, so they fit the same tray.
How much does the MK Battery ES33-12 weigh?
10.48 kg, with 35 Ah of capacity. For reference, the MK Battery MU-1 SLD M-33 (33 Ah) weighs 10.48 kg.
Which battery is equivalent to the MK Battery ES33-12?
Only other AGM batteries with its dimensions and polarity: Ritar RA12-33, Long U1-34H and Long U1-34HE. Neither an EFB nor a conventional battery replaces the ES33-12.
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.
More batteries to compare with the ES33-12
- All electric wheelchair batteries
- The whole MK Battery range
- Ritar RA12-33 · 35 Ah, 195×130×180 mm
- Long U1-34H · 34 Ah, 197×131×180 mm
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