Long WP18-12N · Wheelchair battery 12V 18Ah AGM
Wheelchair battery Long WP18-12N 12V 18Ah AGM images
Specifications
| Brand | LONG |
|---|---|
| Part number | WP18-12N |
| Voltage (V) | 12 |
| Capacity (C20) | 18Ah (c20) |
| Capacity (C5) | 15.3Ah (c5) |
| Technology | AGM |
| Length | 181.00 cm |
| Width | 76.00 cm |
| Height | 167.00 cm |
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Long WP18-12N 12V 18Ah 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
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Mobility battery Long WP18-12N WP Series 18Ah 12V
The 12 V, 18 Ah Long WP18-12N from the WP Series range with AGM technology is the standard replacement for power wheelchairs, mobility scooters and light electric vehicles. It measures 181 × 76 × 167 mm, the format sought by anyone replacing a 18 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.
- AGM technology: absorbed electrolyte, no spills, can be mounted at an angle.
Will it fit your current battery tray?
It has external dimensions of 181 × 76 × 167 mm and weighs 6.30 kg. Checking the three dimensions and the terminal position before buying avoids the most common mistake when replacing a battery.
What the Long WP18-12N is for
With 18 Ah, the Long WP18-12N 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 6.30 kg.
The Long WP18-12N: WP Series range and AGM technology
The WP18-12N is part of the Long WP Series range. Choosing the right reference within the series comes down to capacity, dimensions and terminals: technology and quality are common to the whole family.
AGM (Absorbent Glass Mat) technology seals the electrolyte in glass microfibre. The result is a maintenance-free battery that is highly vibration-resistant and able to withstand deep discharges that would ruin a classic lead-acid battery.
Why choose Long batteries
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. At baterias.com we work directly with the manufacturer or its official distributor: real stock, brand-new product and official warranty.
Warranty and coverage
The Long WP18-12N 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.
How to make it last longer
Use the original charger or one compatible with the battery technology (AGM/GEL) and always replace both batteries in the set together. Charge with a charger that has an AGM mode: it limits the voltage and protects the glass-fibre separators.
When you get it and how to return it
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.
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ReferenceBCOM-LONG-WP18-12N
Data sheet
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BrandLONG
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ReferenceWP18-12N
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ModelWP Series
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Voltage (V)12
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Length181.00 cm
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Width76.00 cm
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Height167.00 cm
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Weight6.30 Kgs
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TechnologyAGM
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Capacity (C20)18Ah (c20)
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Capacity (C5)15.3Ah (c5)
Specific References
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MPNWP18-12N
Recommended accessories
Frequently asked questions
Is the Long WP18-12N an AGM battery and what are the benefits of AGM?
Yes. The WP18-12N from Long 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 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 long does the Long WP18-12N battery last?
Expected lifespan of the Long WP18-12N 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 are the measurements of the WP18-12N model?
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 batteries are equivalent to the Long WP18-12N?
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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