Mk powered ES2.9-12 · Wheelchair battery 12V 2.9Ah AGM
Specifications
| Brand | MK POWERED |
|---|---|
| Part number | ES2.9-12 |
| Voltage (V) | 12 |
| Capacity (C20) | 2.9Ah (c20) |
| Capacity (C5) | 2.465Ah (c5) |
| Technology | AGM |
| Length | 79.00 mm |
| Width | 55.90 mm |
| Height | 106.90 mm |
€41.40
VAT included
4,82/5★★★★★28 reviewsVerified purchases
- ★★★★★Joaquin Montero:
Gracias por el asesoramiento
- ★★★★Jose Maria Moya:
Resuelven tus dudas y te ayudan con la instalación
- ★★★★★Juan Carlos Cortes:
Resultó facil instalar la batería en mi coche gracias a su asesoría. Web 100% recomendada
MK Powered ES2.9-12 12V 2Ah 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
2 Ah
Dimensions
79×55×106 mm
Technology
AGM
Weight
1,19 kg
Model
MK AGM
Mobility battery MK Powered ES2.9-12 Mk AGM 2.9Ah 12V
12VVoltage
2.9AhCapacity
1.19kgWeight
Designed for power wheelchairs, mobility scooters and light electric vehicles, the MK Powered ES2.9-12 from the Mk AGM range offers 2.9 Ah of deep-cycle capacity with AGM technology. It replaces the original battery without adaptation in power wheelchairs and mobility scooters with a 79 × 55 × 106 mm format: same 2.9 Ah capacity.
- Thousands of useful cycles over its lifetime.
- Standard replacement format for wheelchairs and scooters.
- AGM technology: absorbed electrolyte, no spills, can be mounted at an angle.
- Designed to be discharged and recharged daily without losing capacity.
Dimensions, polarity and mounting
In terms of format, the MK Powered ES2.9-12 measures 79 × 55 × 106 mm (length × width × height) and weighs 1.19 kg. It uses F1 terminals, the system that anchors and connects it in the vehicle. Before replacing it, measure your current battery tray: if all three dimensions and the terminal positions match, the swap is direct and needs no adapters.
What the MK Powered ES2.9-12 is for
The MK Powered ES2.9-12 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 1.19 kg and F1 terminals.
The MK Powered ES2.9-12: Mk AGM range and AGM technology
Within the MK Powered catalogue, the Mk AGM series groups the references designed for this use. The ES2.9-12 is the 2.9 Ah model of that family, with the same performance as its siblings in other sizes.
In an AGM battery the electrolyte is absorbed in glass-fibre separators: there is no free liquid, it cannot spill and it can be mounted at an angle. That construction lowers internal resistance, speeds up recharging and multiplies cycle life compared with a conventional battery.
What MK Powered does differently
MK Battery (MK Powered) is the US specialist in AGM and GEL batteries for mobility: power wheelchairs, scooters and medical equipment rely on its batteries for safety and cycle life. At baterias.com we work directly with the manufacturer or its official distributor: real stock, brand-new product and official warranty.
Manufacturer's warranty
The MK Powered ES2.9-12 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.
How to make it last longer
Use the original charger or one compatible with the battery technology (AGM/GEL) and always replace both batteries in the set together. Recharge the wheelchair or scooter after each use and do not leave it discharged for days: lead sulphates and loses capacity.
Delivery times and returns
Orders placed before 6:00 pm with the battery in stock ship the same day. Delivery in mainland Spain and Portugal takes 24-48 working hours; for the Balearic and Canary Islands and the rest of the European Union allow 3 to 5 working days. You have 14 days to return an unused battery; in mainland Spain and Portugal collection is free. We email you the tracking number as soon as the parcel ships.
BCOM-MK-ES2.9-12
Data sheet
- Brand
- MK
- Reference
- ES2.9-12
- Model
- MK AGM
- Voltage (V)
- 12
- Length
- 79.00 mm
- Width
- 55.90 mm
- Height
- 106.90 mm
- Weight
- 1.19 Kgs
- Technology
- AGM
- Terminal type
- F1
- Capacity (C20)
- 2.9Ah (c20)
- Capacity (C5)
- 2.465Ah (c5)
Specific References
- UPC
- 083996058699
- MPN
- ES2.9-12
4,82/5
Verified purchasesLatest verified reviews
★★★★★Joaquin Montero
01/06/2026Te asesoran gratis
Gracias por el asesoramiento
★★★★★Jose Maria Moya
15/02/2026Se preocupan por asesorarte de la mejor manera
Resuelven tus dudas y te ayudan con la instalación
★★★★★Juan Carlos Cortes
21/01/2026Excelente tienda de baterías de coches
Resultó facil instalar la batería en mi coche gracias a su asesoría. Web 100% recomendada
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 the MK Powered ES2.9-12 an AGM battery and what are the benefits of AGM?
Yes. The ES2.9-12 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 change this battery step by step?
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 ES2.9-12 battery last?
Expected lifespan of the MK Powered ES2.9-12 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 ES2.9-12 battery?
Dimensions (length × width × height) are 79×56×107 mm — also written as 79x56x107 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 ES2.9-12?
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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