Optima RTF-4.2 – starter battery for cars and vans – 50Ah 12V 815A

At a glance: Quick facts on the Optima RTF-4.2: intended for cars and vans, rated 50Ah 12V 815A. Terminal position is the detail people most often forget.

Why choose the Optima RTF-4.2

Your hatchback, saloon or small van wants a Optima RTF-4.2? Have a look below. Rated 50Ah 12V 815A, it lines up with the original in cars that came with this code. A tape measure and the old label are all you need to order with confidence.

With 50Ah, capacity is typical of batteries for cars and vans. 815A gives extra confidence on cold mornings.

Make sure it fits your vehicle or equipment

• ✓ Orientation matters: positive on the left-hand side on this model. Stand facing the long side with the terminals nearest you to compare.
• ✓ 50Ah sets how long the battery can power things with the engine off.
• ✓ Cranking power on cold mornings: 815A. Big engines in harsh winters call for a generous figure.

Full specifications of the Optima RTF-4.2

Common questions about the Optima RTF-4.2

How spiral-cell AGM batteries work and how to look after them

Spiral batteries are sealed and do not need water. Strong bursts of current make spiral batteries great for big engines. Avoid deep discharges below the maker's limit.

Related products and ranges

Codes matching and measurements agreeing? The Optima RTF-4.2 can go straight into your basket at baterias.online. If the terminal side or size differ, browse the alternatives before ordering.

• More for cars and vans
• All Optima products on baterias.online

Installation and maintenance tips

An old car that has never had a new battery is often running on borrowed time. Note the radio code before disconnecting anything. Leaving the lights on overnight once is forgivable; doing it often harms the battery.