Mk powered M20-12 SLD M · Wheelchair battery 12V 20Ah AGM
Specifications
| Brand | MK POWERED |
|---|---|
| Part number | M20-12 SLD M |
| Voltage (V) | 12 |
| Capacity (C20) | 20Ah (c20) |
| Capacity (C5) | 17Ah (c5) |
| Technology | AGM |
| Length | 181.10 mm |
| Width | 75.90 mm |
| Height | 166.90 mm |
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MK Powered M20-12 SLD M 12V 20Ah is a sealed AGM/GEL battery for daily mobility use: maintenance-free, no risk of spills, and thousands of useful cycles well beyond a starter battery.
Why this wheelchair battery?
- Daily cycling without wearhandles deep discharges without losing capacity
- Sealed AGM/GELno maintenance, no risk of spills
- Thousands of useful cyclesover its full lifetime
Voltage
12 V
Capacity
20 Ah
Dimensions
181×75×166 mm
Technology
AGM
Weight
6,04 kg
Model
MK AGM
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Mobility battery MK Powered M20-12 SLD M Mk AGM 20Ah 12V
12VVoltage
20AhCapacity
6.04kgWeight
The MK Powered M20-12 SLD M with AGM technology delivers 20 Ah at 12 V with the cycle life that power wheelchairs, mobility scooters and light electric vehicles demand. Its 181 × 75 × 166 mm make it the exact replacement for the 20 Ah battery fitted as standard to many power wheelchairs and mobility scooters.
- Sealed AGM/GEL: safe indoors and in transport.
- AGM: faster recharging and better cycle resistance than a conventional battery.
- Approved for air and sea transport (VRLA).
- No maintenance, no water top-ups.
What the MK Powered M20-12 SLD M is for
With 20 Ah, the MK Powered M20-12 SLD M offers the daily range that power wheelchairs, mobility scooters and light electric vehicles need, with a sealed construction that is safe indoors. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 6.04 kg.
Will it fit your current battery tray?
It has external dimensions of 181 × 75 × 166 mm and weighs 6.04 kg. Checking the three dimensions and the terminal position before buying avoids the most common mistake when replacing a battery.
Why choose MK Powered batteries
MK batteries are the standard in the electric mobility sector: sealed, approved for air transport and with the consistency that wheelchair manufacturers demand as original equipment. We guarantee that every MK Powered arrives new, charged and with the manufacturer's full warranty.
The MK Powered M20-12 SLD M: Mk AGM range and AGM technology
The M20-12 SLD M is part of the MK Powered Mk AGM range. Choosing the right reference within the series comes down to capacity, dimensions and terminals: technology and quality are common to the whole family.
AGM means the acid is held in a glass mat instead of floating free. That is why the battery can be installed in the cabin without gases, survives more cycles and recovers its charge quickly.
Usage and maintenance tips
Charge with a charger that has an AGM mode: it limits the voltage and protects the glass-fibre separators. Recharge the wheelchair or scooter after each use and do not leave it discharged for days: lead sulphates and loses capacity.
Manufacturer's warranty
The MK Powered M20-12 SLD M comes with the manufacturer's official warranty against manufacturing defects. If it fails through a defect within the warranty period, we replace it at no cost to you.
Delivery times and returns
Same-day dispatch from our warehouse for in-stock orders placed before 6:00 pm: 24-48 working hours in mainland Spain and Portugal, 3 to 5 days in the islands and the rest of Europe. Returns are accepted for 14 days if the battery has not been used (free collection on the Iberian mainland). You will receive tracking by email.
BCOM-MK-M20-12 SLD M
Data sheet
- Brand
- MK
- Reference
- M20-12 SLD M
- Model
- MK AGM
- Voltage (V)
- 12
- Length
- 181.10 mm
- Width
- 75.90 mm
- Height
- 166.90 mm
- Weight
- 6.04 Kgs
- Technology
- AGM
- Capacity (C20)
- 20Ah (c20)
- Capacity (C5)
- 17Ah (c5)
Specific References
- MPN
- M20-12 SLD M
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Recommended accessories
Frequently asked questions
Is the M20-12 SLD M model AGM? What does this technology offer?
Yes. The M20-12 SLD M from MK Powered uses AGM (Absorbent Glass Mat) technology: a sealed lead-acid battery where the electrolyte is absorbed in a glass-fibre mat. It withstands more charge/discharge cycles than a conventional one, handles heat better and is the required technology for devices with advanced Start-Stop and regenerative braking. Expected lifespan: 5-8 years under normal conditions.
How do I fit the M20-12 SLD M model in my device?
In most devices it fits in 15-30 minutes with a 10 mm wrench; if the battery is under the seat or in the boot the time can double. See the step-by-step guide on our blog. Quick summary: 1) switch off the engine and remove the key; 2) locate the original battery (engine bay, boot or under seat); 3) disconnect the negative (−) terminal first, then the positive (+); 4) loosen the hold-down clamp and remove the old battery; 5) fit the new one in the same orientation — match the polarity shown on the product sheet; 6) connect the positive (+) first, then the negative (−). On devices with Start-Stop or BMS, register the battery via OBD so the alternator applies the correct charging profile.
What is the service life of the M20-12 SLD M model?
Expected lifespan of the MK Powered M20-12 SLD M is 5 to 8 years in mild-climate device use with Start-Stop. In cold regions it drops slightly due to cold-start stress; in very hot regions it also drops because of electrolyte evaporation. To extend its life: avoid deep discharges (headlights on with engine off), have the alternator checked yearly, and keep the battery clean and properly secured.
What are the dimensions of the MK Powered M20-12 SLD M battery?
Dimensions (length × width × height) are 181×76×167 mm — also written as 181x76x167 mm — following the European DIN standard. Always measure the space in your device before buying: even one extra millimetre can prevent the hold-down clamp from closing. The height shown includes the terminals.
Which batteries are equivalent to the MK Powered M20-12 SLD M?
Directly interchangeable batteries (same dimensions, same polarity, same Ah and CCA) are the OEM equivalents from leading brands: Bosch, Tudor, Exide and, depending on the model, Banner or Yuasa. Exact equivalence depends on technology — an EFB cannot be replaced with a conventional battery in Start-Stop devices. See the "Equivalents" section to view recommended options at the same performance level.
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