Long LGK100-12N · Wheelchair battery 12V 100Ah GEL
Specifications
| Brand | LONG |
|---|---|
| Part number | LGK100-12N |
| Voltage (V) | 12 |
| Capacity (C20) | 100Ah (c20) |
| Capacity (C5) | 85Ah (c5) |
| Technology | GEL |
| Length | 338.00 cm |
| Width | 170.00 cm |
| Height | 217.00 cm |
Long LGK100-12N 12V 100Ah 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
Where it fits: the Long LGK100-12N is one of our power wheelchair batteries, belongs to our Long batteries and by capacity it sits among our 100Ah batteries.

Mobility battery Long LGK100-12N LG Series 100Ah 12V
Designed for power wheelchairs, mobility scooters and light electric vehicles, the Long LGK100-12N from the LG Series range offers 100 Ah of deep-cycle capacity with GEL technology. It measures 338 × 170 × 217 mm and the positive terminal on the left, the format sought by anyone replacing a 100 Ah battery in power wheelchairs and mobility scooters.
- Standard replacement format for wheelchairs and scooters.
- Thousands of useful cycles over its lifetime.
- Designed to be discharged and recharged daily without losing capacity.
- GEL technology: gelled electrolyte, fully sealed and maintenance-free.
What the Long LGK100-12N is for
With 100 Ah, the Long LGK100-12N offers the daily range that power wheelchairs, mobility scooters and light electric vehicles need, with a sealed construction that is safe indoors. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 34 kg.
Will it fit your current battery tray?
The Long LGK100-12N is made in the 338 × 170 × 217 mm format and weighs 34 kg. The positive terminal on the left decides which side the cables end up on: it is the detail that causes most buying mistakes, so check it before ordering. 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.
The Long LGK100-12N: LG Series range and GEL technology
Within the Long catalogue, the LG Series series groups the references designed for this use. The LGK100-12N is the 100 Ah model of that family, with the same performance as its siblings in other sizes.
A GEL battery is the choice when cycle resistance and safety matter most: no gases, no liquid and thousands of partial discharges in its lifetime.
Long: the maker behind the LGK100-12N
Long batteries combine large-scale production with ISO quality standards and a batch-to-batch consistency that has made them the de-facto standard in backup systems and electric mobility. We guarantee that every Long arrives new, charged and with the manufacturer's full warranty.
Manufacturer's warranty
The Long LGK100-12N 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
Use the original charger or one compatible with the battery technology (AGM/GEL) and always replace both batteries in the set together. GEL batteries need lower charging voltages: always use a charger with a GEL mode so as not to damage the electrolyte.
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.
Data sheet
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BrandLONG
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ReferenceLGK100-12N
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ModelLG Series
-
Voltage (V)12
-
Length338.00 cm
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Width170.00 cm
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Height217.00 cm
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Weight34.00 Kgs
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TechnologyGEL
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Terminal layoutPositive terminal on the left
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Capacity (C20)100Ah (c20)
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Capacity (C5)85Ah (c5)
Specific References
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MPNLGK100-12N
Other 100Ah batteries
We stock 41 models of 100 Ah to compare by price, technology and cold cranking: see all 100Ah batteries.
Recommended accessories
Frequently asked questions
Is the Long LGK100-12N 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.
What size is this battery?
Dimensions (length × width × height) are 338×170×217 mm — also written as 338x170x217 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 LGK100-12N model?
Polarity: positive on the left. 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.
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