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Deka 8G30H · Wheelchair battery 12V 97.6Ah GEL

Specifications

BrandDEKA
Part number8G30H
Voltage (V)12
Capacity (C20)97.6Ah (c20)
Capacity (C10)90Ah (c10)
Capacity (C5)80.5Ah (c5)
TechnologyGEL
Length328.40 mm
Width171.20 mm
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Deka 8G30H 12V 97Ah 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
97 Ah C20
Dimensions
328×171×247 mm
Technology
GEL
Weight
31,07 kg
Model
DEKA GEL
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Mobility battery Deka 8G30H 97.6Ah 12V

12VVoltage
97.6AhCapacity
31.07kgWeight

Designed for power wheelchairs, mobility scooters and light electric vehicles, the Deka 8G30H offers 97.6 Ah of deep-cycle capacity with GEL technology. It replaces the original battery without adaptation in power wheelchairs and mobility scooters with a 328 × 171 × 247 mm format: same 97.6 Ah capacity.

  • Thousands of useful cycles over its lifetime.
  • Standard replacement format for wheelchairs and scooters.
  • GEL technology: gelled electrolyte, fully sealed and maintenance-free.
  • Designed to be discharged and recharged daily without losing capacity.

What the Deka 8G30H is for

The Deka 8G30H 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 31.07 kg.

Dimensions, polarity and mounting

It has external dimensions of 328 × 171 × 247 mm and weighs 31.07 kg. Checking the three dimensions and the terminal position before buying avoids the most common mistake when replacing a battery.

Deka: the maker behind the 8G30H

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. All the Deka batteries in our catalogue are genuine product, recently manufactured and covered by the manufacturer's warranty.

Technology inside the Deka 8G30H

The 8G30H is one of the Deka references for this type of use; it shares the same manufacturing and quality-control criteria as the rest of the brand's catalogue.

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.

Care and maintenance

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.

Official warranty

The Deka 8G30H 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-8G30H

Data sheet

  • Brand
    DEKA
  • Reference
    8G30H
  • Model
    DEKA GEL
  • Voltage (V)
    12
  • Length
    328.40 mm
  • Width
    171.20 mm
  • Height
    247.70 mm
  • Weight
    31.07 Kgs
  • Technology
    GEL
  • Capacity (C20)
    97.6Ah (c20)
  • Capacity (C10)
    90Ah (c10)
  • Capacity (C5)
    80.5Ah (c5)

Specific References

  • MPN
    8G30H

Recommended accessories — complement the Deka 8G30H with a charger or tester

Frequently asked questions

Is the 8G30H 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 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 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 many years does this battery last?

Expected lifespan of the Deka 8G30H 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 8G30H battery?

Dimensions (length × width × height) are 328×171×248 mm — also written as 328x171x248 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 batteries are equivalent to the Deka 8G30H?

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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