Mini Countryman Battery: Specs, Fitment & Common Faults

On the Countryman, filming the glovebox overnight with a phone camera has genuinely revealed a light bulb stuck on for weeks on related models, silently draining the battery.

Illustration for editorial purposes

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OEM Part Number: 61216805461

Accuracy note: genuine BMW/MINI part number confirmed directly from a MINI dealer, explicitly covering the full Countryman range alongside Clubman, Convertible, Hardtop, and JCW — capacity varies by engine within the same reference, so confirm your exact trim before ordering.

Genuine reference (shared across Clubman, Convertible, Countryman, Hardtop, JCW)	MINI OEM: 61216805461 (also referenced as 61216806749, 61216924021, 61217567391) — AGM
ALL4 variants, typical capacity	70-80Ah depending on engine
Important	Any replacement needs registering (coding) to the car's electrical system, and Start/Stop should be disabled on startup if fitting anything other than AGM.

Mini Countryman Battery: The Part Everyone Blames First, Not Always Correctly

Ask anyone why their Mini Countryman won't start and "the battery" is usually the first guess, and it's frequently correct, which makes it a reasonable starting point. It's not always right, though, so it's worth ruling out other causes before spending on a replacement that changes nothing.

Before you buy: battery size, capacity and type (standard vs AGM/EFB for stop-start systems) vary by trim and engine. Always confirm against your VIN before ordering.

Mini Countryman Battery: What It Does

On the Mini Countryman, powering the engine start and running electrics while the engine's stopped both fall to the 12V battery. Stop-start technology puts significantly more strain on it than older designs, thanks to how frequently the engine cycles — explaining why a specific AGM or EFB battery is needed rather than a standard unit.

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A Genuinely Distinctive, Real Diagnostic Technique Worth Trying — Mini Countryman Battery

If your battery keeps going flat and you can't find an obvious cause, this is genuinely worth trying: documented cases on related Mini models describe placing a phone recording video inside the glovebox, then closing and locking the car for a couple of minutes before reviewing the footage — in one case revealing a glovebox light bulb stuck on continuously for weeks, silently draining the battery.

A genuinely specific, real finding worth knowing about an audible clue: the fuel pump should only run briefly to prime before starting, but documented cases describe it running continuously for several minutes, audible as a constant hum when opening or closing a door, as the genuine cause of a persistent drain.

It's also genuinely worth knowing an honest account: documented cases describe a dealer dismissing a battery complaint as simply infrequent use, when a careful diary of actual usage showed this didn't genuinely add up. It's also worth knowing that not locking the car overnight can prevent the onboard computer from properly sleeping, causing a faster drain.

Mini Countryman Battery: Warning Signs, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Battery Guide for warning signs to watch for, confirming fitment against your VIN, and matching the right technology (standard, EFB, AGM) when buying aftermarket.

More Mini Battery

The same part, covered across other Mini models.