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Long 55D23R · Car battery 12V 55Ah

Specifications

BrandLONG
Part number55D23R
Voltage (V)12
Capacity (C20)55Ah (c20)
Capacity (C5)48Ah (c5)
Length232.00 cm
Width173.00 cm
Height225.00 cm
Weight12.50 Kgs
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Long 55D23R 12V 55Ah is a starter battery with OEM-equivalent quality, designed for modern passenger cars. Delivers reliable cold-cranks even after weeks of inactivity and supports stable auxiliary loads (lights, climate control, infotainment).

Why this car battery?

  • Original-equipment qualitywithout dealership prices
  • Lasts 4 to 6 yearsbuy once instead of twice
  • Real human tech supportif you have any doubts before buying
Voltage
12 V
Capacity
55 Ah C20
Dimensions
232×173×225 mm
Weight
12,5 kg
Model
Starting Series
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Car battery Long 55D23R Starting Series 55Ah 12V

12VVoltage
55AhCapacity
12.50kgWeight

The Long 55D23R car battery is rated at 12 V, 55 Ah from the Starting Series range, and is designed for passenger cars with conventional starting, without a Start-Stop system. Measuring 232 × 173 × 225 mm, it is the direct replacement for cars fitted from the factory with a 55 Ah battery of this format.

  • Designed to last several years under normal daily use.
  • Stable voltage for the vehicle electronics (ECU, sensors, climate control).
  • Direct replacement for the original battery in size and terminals.
  • Reliable cold starts, even after weeks without driving.

What the Long 55D23R is for

The Long 55D23R covers the needs of passenger cars with conventional starting, without a Start-Stop system: reliable starting, stable voltage for the electronics and a service life of several years in daily use. Check that it matches your current battery in size and terminal position. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 12.50 kg.

The Long 55D23R within the Starting Series range

The Starting Series is the Long range the 55D23R belongs to: it shares the same construction and quality criteria with the rest of the series, and varies in capacity and format to suit each vehicle.

Will it fit your current battery tray?

In terms of format, the Long 55D23R measures 232 × 173 × 225 mm (length × width × height) and weighs 12.50 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 55D23R

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. At baterias.com we work directly with the manufacturer or its official distributor: real stock, brand-new product and official warranty.

How to make it last longer

Keep the terminals clean and tight, and check that the resting voltage does not drop below 12.4 V: below that it is time to recharge. In normal daily use the alternator keeps the battery charged; if the car stands for weeks, a maintenance charge once a month prevents deep discharge.

Manufacturer's warranty

The Long 55D23R comes with the manufacturer's official warranty against manufacturing defects; the exact period is stated in the brand's conditions. If it fails through a defect within the period, we replace it free of charge.

When you get it and how to return it

Orders placed before 6:00 pm with the battery in stock ship the same day. Delivery in mainland Spain and Portugal takes 24-48 working hours; for the Balearic Islands and the rest of the European Union allow 3 to 5 working days. You have 14 days to return an unused battery; in mainland Spain and Portugal collection is free. We email you the tracking number as soon as the parcel ships.

  • Reference
    BCOM-LONG-55D23R

Data sheet

  • Brand
    LONG
  • Reference
    55D23R
  • Model
    Starting Series
  • Voltage (V)
    12
  • Length
    232.00 cm
  • Width
    173.00 cm
  • Height
    225.00 cm
  • Weight
    12.50 Kgs
  • Capacity (C20)
    55Ah (c20)
  • Capacity (C5)
    48Ah (c5)

Specific References

  • MPN
    55D23R

Recommended accessories — complement the Long 55D23R with a charger or tester

Fitting it yourself? Step-by-step guide to replacing the battery →

Frequently asked questions

How is the Long 55D23R battery installed in the vehicle?

In most cars 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 cars with Start-Stop or BMS, register the battery via OBD so the alternator applies the correct charging profile.

How long does the Long 55D23R battery last?

Expected lifespan of the Long 55D23R is 4 to 7 years in regular use (depends on technology and climate). 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 55D23R model?

Dimensions (length × width × height) are 232×173×225 mm — also written as 232x173x225 mm — following the European DIN standard. Always measure the space in your car before buying: even one extra millimetre can prevent the hold-down clamp from closing. The height shown includes the terminals.

Will the Long 55D23R battery fit my car?

Three options to confirm: 1) enter your number plate in the finder (DGT/DVLA/KBA auto-detect your model and engine); 2) check the "Compatible vehicles" tab on this page, where we list every vehicle verified by our technical team; 3) if you cannot find your model, message us on WhatsApp with brand, model, engine and year — we reply during business hours (Mon–Fri 10:00–13:30 and 16:40–18:00 (Spanish time, CET)). The 55D23R typically fits a wide range of European vehicles thanks to its standard DIN case format.

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 cars. See the "Equivalents" section to view recommended options at the same performance level.


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