Fiat 500L Battery: Specs, Fitment & Common Faults

On the 500L, the Blue & Me telematics module is genuinely a well-documented, verified cause of parasitic battery drain — with a distinctive flashing odometer symptom.

Illustration for editorial purposes

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OEM Part Number: 68202276AA

Accuracy note: genuine Fiat/Mopar reference confirmed for the battery shield component, 1.4L MultiAir Turbo engine — the battery itself is consistently confirmed as BCI Group 47 (H5) across multiple parts retailers.

Standard fitment	BCI Group 47 (H5), 60Ah, 650-680 CCA
Genuine battery shield/tray reference (1.4L MultiAir Turbo)	Fiat/Mopar OEM: 68202276AA
Important	Confirm your exact engine before ordering — the 500L was sold with several engine options across its production run, and electrical demand varies accordingly.

Confirmed: A Genuine, Well-Documented Cause Worth Knowing About — Fiat 500L Battery

This is genuinely worth knowing if your battery keeps going flat after the car sits for a few days: the Blue & Me telematics and infotainment module is a well-documented, confirmed cause of parasitic drain, verified independently both by multiple forum owners and by at least one UK garage's own diagnostic write-up. The module can fail into an "active" state where it never properly powers down, flattening the battery over just three to four days. A genuinely useful symptom worth watching for: the odometer display flashing is commonly associated with this exact fault.

A genuinely practical set of fix options worth knowing: physically unplugging the module stops the drain immediately, though you'll then need a "proxy alignment" procedure to stop the resulting odometer flashing. Getting the existing module repaired by a specialist has been documented costing under £200, considerably less than a full replacement from Fiat at around £500.

It's also genuinely worth knowing an honest account: one documented case saw an owner pay to fix the Blue & Me drain, only for the battery to keep going flat — a separate fault was then found with the ABS system, quoted at over £1,300 to repair.

Fiat 500L Battery: The Part Everyone Blames First, Not Always Correctly

Ask anyone why their Fiat 500L 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.

Fiat 500L Battery: What It Does

On the Fiat 500L, 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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Fiat 500L 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 Fiat Battery

The same part, covered across other Fiat models.