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Yuasa Car battery YBX5056 12V 40Ah 360A (YBX5000 series)

Description

Product information

The Yuasa YBX5056 is a powerful 12V starter battery from the YBX5000 Silver High Performance SMF series, specially developed for small Asian cars that require a compact energy source with increased starting power. With a capacity of 40 Ah and a cold start current of 360 A (EN), it offers slightly more reserves than its sister model YBX5054. It is ideal for vehicles from Hyundai, Kia or Honda that use the specific JIS format. Thanks to the sealed double lid technology, it is 100% maintenance-free and designed for around 50,000 startups.

Highlights at a glance

  • Performance plus: With 360 A cold start current, it offers reliable starts even at colder temperatures and outperforms standard batteries of this size.
  • JIS format: Compact dimensions (187 mm length), optimised for Asian battery boxes.
  • Premium quality: Part of the "Silver" series for a longer lifespan and up to 35% more starting power compared to conventional batteries.
  • SMF technology: The patented, sealed tilt double lid prevents acid leakage (VDA test passed) and significantly reduces water loss.
  • Maintenance-free: Topping up with water is not necessary throughout the entire service life, thanks to the sealed design.
  • User-friendly: Includes carrying handle and "Magic Eye" charge level indicator for quick status checking of the battery.

The specialist for Hyundai and Kia

The YBX5056 is often the right choice for models like the Hyundai i10, i20, Kia Picanto or Rio (versions without start-stop). It fills the JIS B19/B20 size installation space optimally. Compared to standard batteries, it offers the extra power needed to function reliably, even with frequent short trips.
 

Characteristics

ModelYuasa YBX5056 (YBX5000 series)
ApplicationStarter battery for small Asian cars (positive terminal on left + thin pole)
TechnologySMF Silver High Performance (Sealed double lid)
Voltage12 V
Capacity40 Ah (20 hrs)
Cold start current (CCA)360 A (EN1)
Dimensions (L x W x H in mm)197 x 129 x 227 (JIS housing B19/B20)
Pole arrangement1 (positive terminal on left)
Terminal typeT3 (thin pole / small Japanese terminal)
Base stripN (No base strip)
Special featuresUp to 50,000 starts, tilt-proof double lid, charge level indicator
Weight (kg)approx. 10.5 (filled)
 

FAQs about the Yuasa YBX5056

What is the difference to the YBX5054?

The main difference lies in the performance and slightly in the dimensions. The YBX5056 offers a cold start current of 360 A, which is slightly higher than the YBX5054 (340 A). In addition, the width of the YBX5056 is often given as 137 mm, while the YBX5054 is about 127 mm wide. Both, however, use similar JIS formats. If you have a little more space and require more starting power, the YBX5056 is the upgrade.

Which terminals does this battery have?

These batteries are usually used with thin poles (T3) in Asia. However, many shipments of the YBX5056 include adapter sleeves for standard terminals (T1), or are already equipped with them. Please check before installation whether your vehicle clamps are thick (standard) or thin (Japan-standard).

Is the battery suitable for start-stop?

No. The YBX5056 is a conventional starter battery. For vehicles with start-stop automatic (ISG), you definitely need an AGM or EFB battery, as this cycling load would quickly destroy a normal battery.

How do I recognise the pole arrangement?

The positive terminal is on the right side (pole arrangement 0) when the battery is facing you. This is the standard for most European and many Asian vehicles in this class.
 

Properties

Capacity: 40Ah
Connections: T1/T3 pole
Tension: 12V

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