Deka 8G24FT · Wheelchair battery 12V 73.6Ah GEL
Specifications
| Brand | DEKA |
|---|---|
| Part number | 8G24FT |
| Voltage (V) | 12 |
| Capacity (C20) | 73.6Ah (c20) |
| Capacity (C10) | 68Ah (c10) |
| Capacity (C5) | 63Ah (c5) |
| Technology | GEL |
| Length | 259.10 mm |
| Width | 172.70 mm |
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4,75/5★★★★★60 reviewsVerified purchases
- ★★★★★Hector Lorenzo:
Pedí la batería un lunes a las 6 y me llegó el martes a las 8
- ★★★★★Jose Antonio Vega:
Esta web es genial. Y los profesionales que están del otro lado te ayudan y asesoran en lo que necesites.
- ★★★★Juan Jose Vazquez:
Buena experiencia comprando en esta web. Mi DEKA 8G24FT me llego al día siguiente de pedirla. Todo ok
Deka 8G24FT 12V 73Ah 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
73 Ah
Dimensions
259×172×209 mm
Technology
GEL
Weight
23,36 kg
Model
DEKA GEL
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Mobility battery Deka 8G24FT 73.6Ah 12V
12VVoltage
73.6AhCapacity
23.36kgWeight
The Deka 8G24FT with GEL technology delivers 73.6 Ah at 12 V with the cycle life that power wheelchairs, mobility scooters and light electric vehicles demand. Measuring 259 × 172 × 209 mm, it is the direct replacement for power wheelchairs and mobility scooters fitted from the factory with a 73.6 Ah battery of this format.
- No maintenance, no water top-ups.
- Approved for air and sea transport (VRLA).
- GEL: excellent resistance to deep discharge and long cycle life.
- Sealed AGM/GEL: safe indoors and in transport.
What the Deka 8G24FT is for
The Deka 8G24FT 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 23.36 kg.
Dimensions, polarity and mounting
It has external dimensions of 259 × 172 × 209 mm and weighs 23.36 kg. Checking the three dimensions and the terminal position before buying avoids the most common mistake when replacing a battery.
Technology inside the Deka 8G24FT
Within the Deka catalogue, the 8G24FT is the 73.6 Ah model designed for this application.
GEL technology fixes the acid in a solid gel. That removes maintenance and leaks and gives very long cycle life, in exchange for slightly slower recharging and lower peak current than an AGM.
What Deka does differently
Deka batteries are known for their robust construction and consistent quality in automotive, marine, leisure and industrial use. All the Deka batteries in our catalogue are genuine product, recently manufactured and covered by the manufacturer's warranty.
Official warranty
The Deka 8G24FT 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.
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.
Delivery times 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-DEKA-8G24FT
Data sheet
- Brand
- DEKA
- Reference
- 8G24FT
- Model
- DEKA GEL
- Voltage (V)
- 12
- Length
- 259.10 mm
- Width
- 172.70 mm
- Height
- 209.30 mm
- Weight
- 23.36 Kgs
- Technology
- GEL
- Capacity (C20)
- 73.6Ah (c20)
- Capacity (C10)
- 68Ah (c10)
- Capacity (C5)
- 63Ah (c5)
Specific References
- MPN
- 8G24FT
4,75/5
Verified purchasesLatest verified reviews
★★★★★Hector Lorenzo
02/06/2026Recibí la batería al día siguiente
Pedí la batería un lunes a las 6 y me llegó el martes a las 8
★★★★★Jose Antonio Vega
18/02/2026Solo puedo dar las gracias
Esta web es genial. Y los profesionales que están del otro lado te ayudan y asesoran en lo que necesites.
★★★★★Juan Jose Vazquez
15/02/2026La segunda vez que compro con ellos
Buena experiencia comprando en esta web. Mi DEKA 8G24FT me llego al día siguiente de pedirla. Todo ok
★★★★★Ricardo Guerrero
13/01/2026Servicio autentico
Gracias por tan buen servicio, necesitamos mas gente que te atienda asi de bien
★★★★★Lucas Dominguez
29/10/2025Batería recibido al día siguiente
Pedí la bateria un lunes a las 7 y me llegó el martes a las 6
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 8G24FT model a gel battery? Where is it used?
Yes, this model is a GEL battery: sealed lead-acid where the electrolyte is in gel form. It tolerates deep discharges very well and is ideal for cyclic use (solar, motorhomes, electric wheelchairs, motorcycles). Requires a GEL-specific smart charger — max charge voltage ~14.1 V (vs 14.4-14.7 V for AGM). Lifespan 6-10 years.
How is the Deka 8G24FT 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 Deka 8G24FT battery last?
Expected lifespan of the Deka 8G24FT is 6 to 10 years in cyclic use (marine, caravan, solar) with controlled discharges. 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 Deka 8G24FT battery?
Dimensions (length × width × height) are 259×173×209 mm — also written as 259x173x209 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.
What are the equivalents of the 8G24FT model?
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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