Kronobat ES26-12 · Wheelchair battery 12V 26Ah AGM
Specifications
| Brand | KRONOBAT |
|---|---|
| Part number | ES26-12 |
| Voltage (V) | 12 |
| Capacity (C20) | 26Ah (c20) |
| Technology | AGM |
| Length | 166.00 mm |
| Width | 175.00 mm |
| Height | 125.00 mm |
| Weight | 9.28 Kgs |
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Kronobat ES26-12 12V 26Ah is a deep-cycle battery for wheelchairs and mobility scooters, optimised to be discharged and recharged daily down to 80 % DOD without losing range.
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
26 Ah
Dimensions
166×175×125 mm
Technology
AGM
Polarity
Positive on the right
Weight
9,28 kg
Model
AGM DEEP CYCLE
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Mobility battery Kronobat ES26-12 AGM Deep Cycle 26Ah 12V
12VVoltage
26AhCapacity
9.28kgWeight
The 12 V, 26 Ah Kronobat ES26-12 from the AGM Deep Cycle range with AGM technology is the standard replacement for power wheelchairs, mobility scooters and light electric vehicles. Its 166 × 175 × 125 mm and the positive terminal on the right make it the exact replacement for the 26 Ah battery fitted as standard to many power wheelchairs and mobility scooters.
- Approved for air and sea transport (VRLA).
- No maintenance, no water top-ups.
- Sealed AGM/GEL: safe indoors and in transport.
- AGM: faster recharging and better cycle resistance than a conventional battery.
What the Kronobat ES26-12 is for
The Kronobat ES26-12 is designed for power wheelchairs, mobility scooters and light electric vehicles. Wheelchairs and scooters normally use two identical batteries in series: replace them together. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 9.28 kg and F2 / F3 terminals.
Will it fit your current battery tray?
The Kronobat ES26-12 is made in the 166 × 175 × 125 mm format and weighs 9.28 kg. The positive terminal on the right decides which side the cables end up on: it is the detail that causes most buying mistakes, so check it before ordering. It uses F2 / F3 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.
Why choose Kronobat batteries
Kronobat is the exclusive brand of baterias.com: batteries made to the same production standards as the leading brands, with a value for money that is hard to match and an official warranty. At baterias.com we work directly with the manufacturer or its official distributor: real stock, brand-new product and official warranty.
The Kronobat ES26-12: AGM Deep Cycle range and AGM technology
The ES26-12 is part of the Kronobat AGM Deep Cycle 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.
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.
Official warranty
The Kronobat ES26-12 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.
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-KRONOBAT-ES26-12
Data sheet
- Brand
- Reference
- ES26-12
- Model
- AGM DEEP CYCLE
- Voltage (V)
- 12
- Length
- 166.00 mm
- Width
- 175.00 mm
- Height
- 125.00 mm
- Weight
- 9.28 Kgs
- Technology
- AGM
- Terminal layout
- Positive terminal on the right
- Terminal type
- F2 / F3
- Capacity (C20)
- 26Ah (c20)
Specific References
- MPN
- ES26-12
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Comparison: Kronobat ES26-12 vs equivalents
The Kronobat ES26-12 is interchangeable with these equivalent references: ES26-12 (MK Powered).
| Product | Specifications | Technology | Price |
|---|---|---|---|
Kronobat
ES26-12
This battery
|
12V 26Ah | AGM | |
MK Powered
ES26-12
|
12V 26Ah | AGM | €84.20 |
Equivalences verified by our technical team: same dimensions, polarity, capacity and CCA. Official manufacturer warranty on every option.
Recommended accessories
Frequently asked questions
Is the Kronobat ES26-12 an AGM battery and what are the benefits of AGM?
Yes. The ES26-12 from Kronobat 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 ES26-12 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 — with positive on the right 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 many years does this battery last?
Expected lifespan of the Kronobat ES26-12 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 measurements of the ES26-12 model?
Dimensions (length × width × height) are 166×175×125 mm — also written as 166x175x125 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.
On which side is the positive of the ES26-12 model?
Polarity: positive on the right. To identify it, place the battery in front of you with the terminals facing you and check which side the positive (+, marked with a red ring) is on. Before buying, verify the polarity matches your current battery: switching polarity forces longer cables or system reconfiguration, with short-circuit risk.
Which batteries are equivalent to the Kronobat ES26-12?
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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