Mk powered ES3-6H · Wheelchair battery 6V 2.8Ah AGM
Specifications
| Brand | MK POWERED |
|---|---|
| Part number | ES3-6H |
| Voltage (V) | 6 |
| Capacity (C20) | 2.8Ah (c20) |
| Capacity (C5) | 2.38Ah (c5) |
| Technology | AGM |
| Length | 66.00 mm |
| Width | 33.00 mm |
| Height | 103.90 mm |
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Thank you
4,74/5★★★★★41 reviewsVerified purchases
- ★★★★★Nicolas Fuentes:
Resuelven tus dudas y te ayudan con la instalación
- ★★★★★Ramon Rubio:
Supe cual batería necesitaba mi coche gracias a su asesoría
MK Powered ES3-6H 6V 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
6 V
Capacity
2 Ah
Dimensions
66×33×103 mm
Technology
AGM
Weight
0,57 kg
Model
MK AGM
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Mobility battery MK Powered ES3-6H Mk AGM 2.8Ah 6V
6VVoltage
2.8AhCapacity
0.57kgWeight
The MK Powered ES3-6H with AGM technology delivers 2.8 Ah at 6 V with the cycle life that power wheelchairs, mobility scooters and light electric vehicles demand. It measures 66 × 33 × 103 mm, the format sought by anyone replacing a 2.8 Ah battery in power wheelchairs and mobility scooters.
- Standard replacement format for wheelchairs and scooters.
- Thousands of useful cycles over its lifetime.
- Designed to be discharged and recharged daily without losing capacity.
- AGM technology: absorbed electrolyte, no spills, can be mounted at an angle.
What the MK Powered ES3-6H is for
With 2.8 Ah, the MK Powered ES3-6H 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 0.57 kg.
Will it fit your current battery tray?
The MK Powered ES3-6H is made in the 66 × 33 × 103 mm format and weighs 0.57 kg. 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.
MK Powered: the maker behind the ES3-6H
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.
The MK Powered ES3-6H: Mk AGM range and AGM technology
The Mk AGM is the MK Powered range the ES3-6H belongs to: it shares the same construction and quality criteria with the rest of the series, and varies in capacity and format to suit each vehicle.
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.
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.
Official warranty
The MK Powered ES3-6H 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.
When you get it and how to return it
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-ES3-6H
Data sheet
- Brand
- MK
- Reference
- ES3-6H
- Model
- MK AGM
- Voltage (V)
- 6
- Length
- 66.00 mm
- Width
- 33.00 mm
- Height
- 103.90 mm
- Weight
- 0.57 Kgs
- Technology
- AGM
- Capacity (C20)
- 2.8Ah (c20)
- Capacity (C5)
- 2.38Ah (c5)
Specific References
- MPN
- ES3-6H
4,74/5
Verified purchasesLatest verified reviews
★★★★★Nicolas Fuentes
03/02/2026Trato y ayuda inmejorable, gracias
Resuelven tus dudas y te ayudan con la instalación
★★★★★Ramon Rubio
18/01/2026Excelente tienda de baterías de coches
Supe cual batería necesitaba mi coche gracias a su asesoría
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 ES3-6H 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.
What is the service life of the ES3-6H model?
Expected lifespan of the MK Powered ES3-6H 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 ES3-6H battery?
Dimensions (length × width × height) are 66×33×104 mm — also written as 66x33x104 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 interchangeable batteries are there for this one?
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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