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Deka 8G34 · Wheelchair battery 12V 60Ah GEL

Specifications

BrandDEKA
Part number8G34
Voltage (V)12
Capacity (C20)60Ah (c20)
Capacity (C10)53Ah (c10)
Capacity (C5)47.5Ah (c5)
TechnologyGEL
Length259.10 mm
Width168.70 mm
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Deka 8G34 12V 60Ah 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
60 Ah C20
Dimensions
259×168×179 mm
Technology
GEL
Weight
17,46 kg
Model
DEKA GEL
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Mobility battery Deka 8G34 60Ah 12V

12VVoltage
60AhCapacity
17.46kgWeight

The Deka 8G34 with GEL technology delivers 60 Ah at 12 V with the cycle life that power wheelchairs, mobility scooters and light electric vehicles demand. Its 259 × 168 × 179 mm make it the exact replacement for the 60 Ah battery fitted as standard to many power wheelchairs and mobility scooters.

  • Sealed AGM/GEL: safe indoors and in transport.
  • GEL: excellent resistance to deep discharge and long cycle life.
  • Approved for air and sea transport (VRLA).
  • No maintenance, no water top-ups.

What the Deka 8G34 is for

The Deka 8G34 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 17.46 kg.

Technology inside the Deka 8G34

Deka builds the 8G34 to the same standards as the rest of its catalogue; what changes between references is capacity, format and terminal position.

In a GEL battery the electrolyte is gelled with silica: it is fully sealed, cannot spill and tolerates deep discharge very well. It is the preferred technology in electric mobility, marine service and heavy-cycling applications.

Size, terminals and hold-down of the Deka 8G34

In terms of format, the Deka 8G34 measures 259 × 168 × 179 mm (length × width × height) and weighs 17.46 kg. Checking the three dimensions and the terminal position before buying avoids the most common mistake when replacing a battery.

What Deka does differently

Deka (East Penn Manufacturing) is the largest single-site lead battery manufacturer in the United States, with full control of the process from lead recycling to the finished battery. We guarantee that every Deka arrives new, charged and with the manufacturer's full warranty.

How to make it last longer

GEL batteries need lower charging voltages: always use a charger with a GEL mode so as not to damage the electrolyte. Use the original charger or one compatible with the battery technology (AGM/GEL) and always replace both batteries in the set together.

Manufacturer's warranty

The Deka 8G34 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

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.

  • Reference
    BCOM-DEKA-8G34

Data sheet

  • Brand
    DEKA
  • Reference
    8G34
  • Model
    DEKA GEL
  • Voltage (V)
    12
  • Length
    259.10 mm
  • Width
    168.70 mm
  • Height
    179.10 mm
  • Weight
    17.46 Kgs
  • Technology
    GEL
  • Capacity (C20)
    60Ah (c20)
  • Capacity (C10)
    53Ah (c10)
  • Capacity (C5)
    47.5Ah (c5)

Specific References

  • MPN
    8G34

Recommended accessories — complement the Deka 8G34 with a charger or tester

Frequently asked questions

Is the Deka 8G34 a GEL battery? What is GEL used for?

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 do I fit the 8G34 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 Deka 8G34 battery last?

Expected lifespan of the Deka 8G34 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 8G34 battery?

Dimensions (length × width × height) are 259×169×179 mm — also written as 259x169x179 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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