Varta YTX20HL Powersports AGM · Motorcycle battery 18Ah 310A

Varta YTX20HL Powersports AGM Active (formerly Powersports AGM High Performance) 18Ah 310A 12V Motorcycle Battery

The Varta YTX20HL motorcycle battery (reference 518919031) is the 12 V, 18 Ah model delivering 310 A of cold cranking power (EN), from Varta's Powersports AGM Active (formerly Powersports AGM High Performance) range, designed for motorcycles, scooters, quads and personal watercraft. With dimensions of 176 × 89 × 154 mm and the positive terminal on the right, it is the direct replacement for motorcycles fitted from the factory with a 18 Ah battery in this format.

• Construction built to withstand the vibration typical of two-wheelers.
• Direct replacement for the original motorbike, scooter or quad battery.
• High cranking peak in a compact, lightweight format.
• Performs well in the cold and after periods of inactivity.

Applications of the Varta YTX20HL battery

With 18 Ah, the Varta YTX20HL is sized for motorcycles, scooters, quads and personal watercraft, as a direct replacement for the original battery. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a B00 hold-down.

Format and fitting of the Varta YTX20HL

In terms of format, the Varta YTX20HL measures 176 × 89 × 154 mm (length × width × height). The positive terminal on the right determines which side the cables run to: it is the detail that causes the most buying mistakes, so it is worth checking before ordering. It uses a B00 hold-down, the system that secures it to the vehicle's battery tray. Checking the three dimensions and the terminal positions before buying avoids the most common mistake when replacing a battery.

The Varta YTX20HL and the Powersports AGM Active range

The Powersports AGM Active range consists of AGM motorcycle batteries activated and charged at the factory, ready to fit. They combine the toughness of AGM technology with the convenience of immediate installation.

They are aimed at general motorcycle and scooter use, with reliable starting and no maintenance from day one.

Unlike a car battery, what matters here is power density in a minimal size and resistance to vibration. It is the direct substitute for the original motorcycle battery, with the advantage of reliable starting even in the cold and after periods of inactivity. This battery used to belong to Varta's Powersports AGM High Performance range; following the brand's change of commercial naming (2025), it now forms part of the new Powersports AGM Active series.

Why choose a Varta battery

Varta is an original equipment (OEM) supplier to a good share of Europe's car manufacturers: many cars leave the factory with a Varta fitted. Buying a replacement means, in most cases, refitting the original battery with the same quality and the brand's official warranty.

Varta combines more than a century of experience with the industrial production of Clarios: it is the battery many manufacturers fit as standard and one of the most recommended by workshops. Like every lead-acid battery, it is 100% recyclable.

Varta's production combines automated lines with verification of more than 100 parameters per unit; that traceability is what underpins its reputation for reliable starting throughout the battery's life.

Manufacturer's warranty

The Varta YTX20HL battery comes with the official manufacturer warranty.

Care and maintenance

If the bike goes unused for long spells, a trickle charger greatly extends the battery's life and prevents sulphation. Storing it somewhere dry and checking the terminals at the start of each season helps it start first time. Motorcycle batteries suffer in the cold and when left idle: in winter, a maintenance charger stops the battery from discharging completely. With this care, it will typically deliver well over several years of service.