Mk powered ES20-12C FT · Wheelchair battery 12V 20Ah AGM
Specifications
| Brand | MK POWERED |
|---|---|
| Part number | ES20-12C FT |
| 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 |
€53.70
VAT included
4,75/5★★★★★35 reviewsVerified purchases
- ★★★★Jose Francisco Rodriguez:
Gracias por el asesoramiento
- ★★★★★Francisco Jose Carrasco:
Resuelven tus dudas y te ayudan con la instalación
- ★★★★★Customer:
Todo perfecto, desde la resolución de dudas como en la gestión de todo el pedido
MK Powered ES20-12C FT 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
5,94 kg
Model
MK AGM
Mobility battery MK Powered ES20-12C FT Mk AGM 20Ah 12V
12VVoltage
20AhCapacity
5.94kgWeight
Designed for power wheelchairs, mobility scooters and light electric vehicles, the MK Powered ES20-12C FT from the Mk AGM range offers 20 Ah of deep-cycle capacity with AGM technology. It measures 181 × 75 × 166 mm, the format sought by anyone replacing a 20 Ah battery in power wheelchairs and mobility scooters.
- Designed to be discharged and recharged daily without losing capacity.
- AGM technology: absorbed electrolyte, no spills, can be mounted at an angle.
- Standard replacement format for wheelchairs and scooters.
- Thousands of useful cycles over its lifetime.
Dimensions, polarity and mounting
The MK Powered ES20-12C FT is made in the 181 × 75 × 166 mm format and weighs 5.94 kg. It uses F6 terminals, the system that anchors and connects it in the vehicle. For a direct replacement, the current battery tray must accept these dimensions and the same terminal layout; otherwise adapters will be needed or the hold-down will change.
What the MK Powered ES20-12C FT is for
The MK Powered ES20-12C FT is the usual replacement in power wheelchairs, mobility scooters and light electric vehicles. Recharge after each use and avoid leaving it discharged for days. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 5.94 kg and F6 terminals.
The MK Powered ES20-12C FT: Mk AGM range and AGM technology
The ES20-12C FT 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 (Absorbent Glass Mat) technology seals the electrolyte in glass microfibre. The result is a maintenance-free battery that is highly vibration-resistant and able to withstand deep discharges that would ruin a classic lead-acid battery.
What MK Powered does differently
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. At baterias.com we work directly with the manufacturer or its official distributor: real stock, brand-new product and official warranty.
Warranty and coverage
The MK Powered ES20-12C FT 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.
Usage and maintenance tips
Use the original charger or one compatible with the battery technology (AGM/GEL) and always replace both batteries in the set together. Charge with a charger that has an AGM mode: it limits the voltage and protects the glass-fibre separators.
Shipping, delivery 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-ES20-12C FT
Data sheet
- Brand
- MK
- Reference
- ES20-12C FT
- Model
- MK AGM
- Voltage (V)
- 12
- Length
- 181.10 mm
- Width
- 75.90 mm
- Height
- 166.90 mm
- Weight
- 5.94 Kgs
- Technology
- AGM
- Terminal type
- F6
- Capacity (C20)
- 20Ah (c20)
- Capacity (C5)
- 17Ah (c5)
Specific References
- EAN13
- 8404657001052
- MPN
- ES20-12C FT
4,75/5
Verified purchasesLatest verified reviews
★★★★★Jose Francisco Rodriguez
09/06/2026Me ayudaron en la elección de mi batería
Gracias por el asesoramiento
★★★★★Francisco Jose Carrasco
02/02/2026Me ayudaron paso a paso
Resuelven tus dudas y te ayudan con la instalación
★★★★★CustomerVerified purchase
26/01/2026Perfecto
Todo perfecto, desde la resolución de dudas como en la gestión de todo el pedido
★★★★★Jose Antonio Carmona
06/01/2026Buenos precios
Resultó facil instalar la batería en mi coche gracias a su asesoría. Web 100% recomendada
Codes and references MK Powered ES20-12C FT
| Brand | MK Powered |
|---|---|
| Manufacturer range | MK AGM |
| Manufacturer reference (MPN) | ES20-12C FT |
| EAN-13 barcode | 8404657001052 |
| Dimensions (length × width × height) | 181 × 76 × 167 mm (181x76x167) |
Comparison: MK Powered ES20-12C FT vs equivalents
The MK Powered ES20-12C FT is interchangeable with these equivalent references: HC20 (Fullriver).
| Product | Specifications | Technology | Price |
|---|---|---|---|
MK Powered
ES20-12C FT
This battery
|
12V 20Ah | AGM | €53.70 |
Fullriver
HC20
|
12V 20Ah 230A | AGM | €176.10 |
Equivalences verified by our technical team: same dimensions, polarity, capacity and CCA. Official manufacturer warranty on every option.
Recommended accessories
How to change the battery
Guide to replace a cyclic battery (12V 4-30Ah) for UPS, mobility scooter, alarm or backup device. Estimated time 10-15 minutes. Important: discharge residual voltage before handling.
Step 1. Power off and unplug the device
Unplug the device (UPS, scooter, alarm) and leave it off for at least 30 seconds to discharge residual capacitor voltage. Work on an insulating surface.
Step 2. Locate the battery compartment
Usually under the seat (mobility scooter/wheelchair), in the rear module of the UPS, or behind a side panel with screws. Check the device manual for unusual models.
Step 3. Disconnect the negative (−) first
With insulated gloves, remove the negative (−) cable first. Some UPS have protection fuses — note their position before removing.
Step 4. Disconnect the positive (+) terminal
Repeat with the positive cable (red, marked +). Important: never let a terminal touch metal of the car while the other is still connected.
Step 5. Remove the old battery
Typical weight 1-15 kg depending on capacity. Many cyclic batteries are AGM/GEL — keep them upright. Do NOT invert the battery: even sealed, residue may exist.
Step 6. Fit the new battery
Same orientation and type (AGM, GEL or flooded). Polarity must match the device, not a chassis (this is not a car). Make sure terminals do not touch metal parts of the compartment.
Step 7. Connect the positive (+) first
On cyclic devices the order is reversed compared to cars: positive (+) first, negative (−) afterwards. Tighten without forcing — the plastic terminal housing of cyclic batteries damages easily.
Step 8. Initial charge before first use
Cyclic batteries ship at 60-80%. Before first use, connect the device charger for 8-12 hours (or use an AGM/GEL smart charger if available). This avoids short cycles and extends lifespan.
Frequently asked questions
Is this battery AGM? What is it for?
Yes. The ES20-12C FT 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 is the MK Powered ES20-12C FT battery installed in the vehicle?
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 this page. 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.
How long does the MK Powered ES20-12C FT battery last?
Expected lifespan of the MK Powered ES20-12C FT 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 ES20-12C FT 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 ES20-12C FT?
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.
The top-rated online battery store in Spain
-
Audited by Trustpilot, no filters, no edits. The top-rated battery store in Spain.
Trustpilot · verified, no filters
-
Official Varta distributor
Official Varta wholesale distributor. 100% genuine batteries, recently manufactured, best price and no middlemen.
World’s best-selling battery brand
-
+100,000 satisfied customers
More than 100,000 customers already trust baterias.com — and recommend us to their friends and family.
They trust us and recommend us
Choose trust, choose quality, choose baterias.com.