# Car battery Long 50D20R 12V 50Ah ![Car battery Long 50D20R 12V 50Ah](https://baterias.com/1621-home_default/battery-long-50d20r-12v-50ah.jpg) > Long 50D20R car battery 12V 50Ah. Starting Series range. Dimensions 202Γ—173Γ—225 mm. Check fitment by plate. **Category:** [Car Batteries](https://baterias.com/gb/car-batteries) β†’ [LONG](https://baterias.com/gb/long) - **Canonical URL**: https://baterias.com/gb/battery-long-50d20r-12v-50ah - **Language**: en-GB - **Brand**: LONG - **Reference**: BCOM-LONG-50D20R - **MPN**: 50D20R - **Stock**: Out of stock ## Technical specifications | Feature | Value | |---|---| | Brand | LONG | | Reference | 50D20 R | | Model | Starting Series | | Voltage (V) | 12 V | | Largo | 202 cm | | Ancho | 173 cm | | Alto | 225 cm | | Peso | 10 kg | | Capacity (C20) | 50 Ah (c20) | | Capacity (C5) | 40 Ah (c5) | ## Quick description **Long 50D20R 12V 50Ah** 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 quality** without dealership prices - **Lasts 4 to 6 years** buy once instead of twice - **Real human tech support** if you have any doubts before buying πŸ”Œ Voltage 12 V ⚑ Capacity 50 Ah C20 πŸ“ Dimensions 202Γ—173Γ—225 mm βš–οΈ Weight 10 kg 🏷️ Model Starting Series ## Description ## Car battery Long 50D20R Starting Series 50Ah 12V 12*V* Voltage 50*Ah* Capacity 10*kg* Weight The **Long 50D20R** from the **Starting Series** range delivers **50 Ah** at **12 V**: the usual specification for passenger cars with conventional starting, without a Start-Stop system. Its 202 Γ— 173 Γ— 225 mm make it the exact replacement for the 50 Ah battery fitted as standard to many cars. - Stable voltage for the vehicle electronics (ECU, sensors, climate control). - Designed to last several years under normal daily use. - Original-equipment build quality without the dealership price. - Direct replacement for the original battery in size and terminals. ### What the Long 50D20R is for The Long 50D20R 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 10 kg. ### Will it fit your current battery tray? The Long 50D20R is made in the 202 Γ— 173 Γ— 225 mm format and weighs 10 kg. Checking the three dimensions and the terminal position before buying avoids the most common mistake when replacing a battery. ### Long: the maker behind the 50D20R 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. ### The Long 50D20R within the Starting Series range The **Starting Series** is the Long range the 50D20R 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. ### Usage and maintenance tips Avoid leaving lights or accessories on with the engine off: most batteries fail not through defects but through repeated deep discharges. 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. ### Manufacturer's warranty The Long 50D20R 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 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. ## Frequently asked questions ### How is the Long 50D20R 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 (βˆ’) 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 β€” match the polarity shown on the product sheet; 6) connect the positive (+) first, then the negative (βˆ’). On cars with Start-Stop or BMS, register the battery via OBD so the alternator applies the correct charging profile. ### What is the service life of the 50D20R model? Expected lifespan of the Long 50D20R 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 dimensions of the Long 50D20R battery? Dimensions (length Γ— width Γ— height) are 202Γ—173Γ—225 mm β€” also written as 202x173x225 mm β€” 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. ### Does this 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 β€” we reply during business hours (Mon–Fri 10:00–13:30 and 16:40–18:00 (Spanish time, CET)). The 50D20R typically fits a wide range of European vehicles thanks to its standard DIN case format. ### Which batteries are equivalent to the Long 50D20R? 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 β€” 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. ## Technical team (editorial authorship) The FAQs, guides and comparisons on this site are reviewed by the baterias.com technical team β€” automotive battery specialists since 2012. β†’ https://baterias.com/gb/technical-team --- *baterias.com β€” Automotive batteries Β· 2026-10-23*