Does my classic car run on 6V or 12V?

Cars from before the late 1950s/early 1960s (many early SEAT 600s, pre-1967 Beetles) tend to be 6V; everything later already runs the 12V standard. Check the original data plate before buying.

Is an AGM battery compatible with a classic's original engine bay?

Yes, as long as you pick the right case format (L or classic) and match polarity and dimensions; an AGM in a vintage-look case keeps the original appearance while adding years of maintenance-free life.

How long does a rarely-driven classic car battery last?

Without a maintainer, conventional flooded lead-acid can sulphate within a few months of idleness; with a 12V maintainer permanently connected, both classic SLI and AGM last noticeably longer.

What's the difference between classic SLI and an AGM equivalent?

Classic SLI with caps is faithful to the original and required for authentic concours restoration; the AGM equivalent is sealed, maintenance-free and copes better with vibration and long lay-ups, with a typical 4-6 year life.

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Classic Car Batteries

Batteries for classic and vintage cars: SEAT 600/1500, classic Mini, VW Beetle, Citroën 2CV/DS, Renault 4/6/12, vintage Fiat 500/600, MG, Triumph, Jaguar, Mercedes Pagoda, BMW 02 series, air-cooled Porsche 911, Volvo Amazon, pre-2007 Land Rover Defender. Many pre-1960s classics run a 6V electrical system; later cars already use the 12V standard.

To preserve the original look, many classics use black batteries with visible caps (L/classic format) in conventional flooded lead-acid. For real-world use we recommend the AGM equivalent in a compatible case — maintenance-free, 4-6 year life, ideal if the car sits idle for long spells in the garage.

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EXIDE

Car battery Exide EC700 12V 70Ah 640A

12V

70Ah

640A

278 × 175 × 190 mm

€84.70 VAT incl.

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Type	Capacity	CCA	Technology
Small classic (Mini, 600, 2CV)	40-50 Ah	360-450 A	Classic SLI or AGM equivalent
Classic saloon (Mercedes, BMW 02)	55-70 Ah	450-600 A	SLI / AGM
Classic sports / GT	60-75 Ah	540-680 A	AGM (vibration)
Classic 4x4 (Defender, Range Rover)	75-95 Ah	680-800 A	AGM

Classic Car Batteries

How to choose the right classic-car battery

Typical capacities

Real-use recommendations

Leading brands

Compatibility and how to choose the right equivalent

Frequently asked questions about classic car batteries

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