Long WPL55-12N · Stationary UPS battery 12V 55Ah AGM
Stationary UPS battery Long WPL55-12N 12V 55Ah AGM images
Specifications
| Brand | LONG |
|---|---|
| Part number | WPL55-12N |
| Voltage (V) | 12 |
| Capacity (C20) | 55Ah (c20) |
| Capacity (C5) | 46.75Ah (c5) |
| Technology | AGM |
| Length | 226.00 cm |
| Width | 135.00 cm |
| Height | 214.00 cm |
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Long WPL55-12N 12V 55Ah is a stationary battery for backup power systems: UPS, alarms, telecom and emergency lighting. Long float-life under permanent charge and instant response to mains outages with no noticeable voltage drop.
Why this stationary battery?
- Instant responsewhen the mains drop, no voltage dip
- Long life under 24/7 chargeoptimised for permanent service
- Compatible with your systemexisting UPS units and alarm control panels
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Stationary battery Long WPL55-12N WPL Series 55Ah 12V
The Long WPL55-12N with AGM technology is a 55 Ah, 12 V backup battery for UPS, alarms, telecoms and emergency lighting. It measures 226 × 135 × 214 mm, the format sought by anyone replacing a 55 Ah battery in UPS, alarm and emergency systems.
- Long float life under permanent charge.
- AGM technology: absorbed electrolyte, no spills, can be mounted at an angle.
- Maintenance-free for its whole service life.
- Sealed and gas-free: suitable for cabinets and offices.
What the Long WPL55-12N is for
With 55 Ah, the Long WPL55-12N gives your UPS or emergency system the autonomy it needs. Replace all the batteries in the set at once. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 17 kg.
The Long WPL55-12N: WPL Series range and AGM technology
The WPL55-12N is part of the Long WPL 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.
In an AGM battery the electrolyte is absorbed in glass-fibre separators: there is no free liquid, it cannot spill and it can be mounted at an angle. That construction lowers internal resistance, speeds up recharging and multiplies cycle life compared with a conventional battery.
Size, terminals and hold-down of the Long WPL55-12N
The Long WPL55-12N is made in the 226 × 135 × 214 mm format and weighs 17 kg. 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.
Long: the maker behind the WPL55-12N
Long (Kung Long Batteries) is one of the world's largest manufacturers of sealed VRLA batteries. Its AGM and GEL series for UPS, mobility, alarms and cycling are found in equipment worldwide as original equipment. We guarantee that every Long arrives new, charged and with the manufacturer's full warranty.
How to make it last longer
Replace all the batteries in the set at once and avoid environments continuously above 25 °C. Check the float voltage of the UPS or charger: a voltage that is too high shortens the life of a sealed battery.
Warranty and coverage
The Long WPL55-12N 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.
Shipping, delivery 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.
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ReferenceBCOM-LONG-WPL55-12N
Data sheet
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BrandLONG
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ReferenceWPL55-12N
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ModelWPL Series
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Voltage (V)12
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Length226.00 cm
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Width135.00 cm
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Height214.00 cm
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Weight17.00 Kgs
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TechnologyAGM
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Capacity (C20)55Ah (c20)
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Capacity (C5)46.75Ah (c5)
Specific References
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MPNWPL55-12N
Recommended accessories
Frequently asked questions
Is this battery AGM? What is it for?
Yes. The WPL55-12N 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 is the Long WPL55-12N 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 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 Long WPL55-12N 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 dimensions of the Long WPL55-12N battery?
Dimensions (length × width × height) are 226×135×214 mm — also written as 226x135x214 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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