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Kronobat ES20-12CFT · Wheelchair battery 12V 20Ah AGM

Specifications

BrandKRONOBAT
Part numberES20-12CFT
Voltage (V)12
Capacity (C20)20Ah (c20)
TechnologyAGM
Length181.00 mm
Width76.00 mm
Height167.00 mm
Weight6.04 Kgs
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Kronobat ES20-12CFT 12V 20Ah 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
20 Ah C20
Dimensions
181×76×167 mm
Technology
AGM
Weight
6,04 kg
Model
AGM DEEP CYCLE
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Mobility battery Kronobat ES20-12CFT AGM Deep Cycle 20Ah 12V

12VVoltage
20AhCapacity
6.04kgWeight

Designed for power wheelchairs, mobility scooters and light electric vehicles, the Kronobat ES20-12CFT from the AGM Deep Cycle range offers 20 Ah of deep-cycle capacity with AGM technology. It replaces the original battery without adaptation in power wheelchairs and mobility scooters with a 181 × 76 × 167 mm format: same 20 Ah capacity.

In short: the Kronobat ES20-12CFT (20 Ah, 181 × 76 × 167 mm). Verified equivalent alternatives: Fullriver HC20 and MK Powered ES20-12C FT.

  • AGM technology: absorbed electrolyte, no spills, can be mounted at an angle.
  • Designed to be discharged and recharged daily without losing capacity.
  • Thousands of useful cycles over its lifetime.
  • Standard replacement format for wheelchairs and scooters.

What the Kronobat ES20-12CFT is for

The Kronobat ES20-12CFT 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 6.04 kg and F6 terminals.

Will it fit your current battery tray?

In terms of format, the Kronobat ES20-12CFT measures 181 × 76 × 167 mm (length × width × height) and weighs 6.04 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.

Why choose Kronobat batteries

With Kronobat we offer an own-brand alternative without compromising on quality: European manufacturing, original-equipment controls and the direct backing of baterias.com for warranty and advice. At baterias.com we work directly with the manufacturer or its official distributor: real stock, brand-new product and official warranty.

The Kronobat ES20-12CFT: AGM Deep Cycle range and AGM technology

The AGM Deep Cycle is the Kronobat range the ES20-12CFT 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.

Care and maintenance

Recharge the wheelchair or scooter after each use and do not leave it discharged for days: lead sulphates and loses capacity. Use the original charger or one compatible with the battery technology (AGM/GEL) and always replace both batteries in the set together.

Official warranty

The Kronobat ES20-12CFT 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

Order before 6:00 pm with stock available and it leaves today: mainland Spain and Portugal receive it in 24-48 working hours, the islands and the rest of the EU in 3 to 5 days. You have 14 days to return it if it has not been installed, with free collection on the mainland, and shipment tracking by email.

  • Reference
    BCOM-KRONOBAT-ES20-12CFT

Data sheet

  • Brand
  • Reference
    ES20-12CFT
  • Model
    AGM DEEP CYCLE
  • Voltage (V)
    12
  • Length
    181.00 mm
  • Width
    76.00 mm
  • Height
    167.00 mm
  • Weight
    6.04 Kgs
  • Technology
    AGM
  • Terminal type
    F6
  • Capacity (C20)
    20Ah (c20)

Specific References

  • MPN
    ES20-12CFT

Comparison: Kronobat ES20-12CFT vs equivalents — alternatives with the same dimensions, Ah and CCA

The Kronobat ES20-12CFT is interchangeable with these equivalent references: HC20 (Fullriver), ES20-12C FT (MK Powered).

Product Specifications Technology Price
Kronobat ES20-12CFT Kronobat ES20-12CFT This battery 12V 20Ah AGM
Fullriver HC20 Fullriver HC20 12V 20Ah 230A AGM €176.10
MK Powered ES20-12C FT MK Powered ES20-12C FT ★ 5,0 12V 20Ah AGM €53.70

Equivalences verified by our technical team: same dimensions, polarity, capacity and CCA. Official manufacturer warranty on every option.

Recommended accessories — complement the Kronobat ES20-12CFT with a charger or tester

Frequently asked questions

Is this battery AGM? What is it for?

Yes. The ES20-12CFT 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 ES20-12CFT 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.

How long does the Kronobat ES20-12CFT battery last?

Expected lifespan of the Kronobat ES20-12CFT 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 size is this 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 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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