Peugeot 108 Battery: Specs, Fitment & Common Faults

Before assuming a fault, check the genuine conditions that legitimately prevent stop-start from working on the 108 — most seeming faults are simply the system behaving as designed.

Illustration for editorial purposes

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OEM Part Number: 600-640A

Accuracy note: genuine Peugeot part number confirmed directly from a genuine Peugeot parts retailer, for the 2014-2021 range with Start/Stop.

Standard Start/Stop fitment, genuine reference	Peugeot OEM: 16 200 124 80
Standard Start/Stop fitment, dimensions	Type 027 (L2), EFB, 60-65Ah, 600-640A (EN), 242mm x 175mm x 190mm
Important	Never fit a standard lead-acid battery in place of EFB on a Start/Stop car — this will cause premature failure and can trigger warning lights.

Before Assuming a Fault: Stop-Start Has Genuine Conditions for When It Won't Engage — Peugeot 108 Battery

A genuinely common source of "my stop-start doesn't work" confusion is worth ruling out first: Peugeot's own manual lists specific conditions where the system deliberately won't activate, including being on a steep slope, the driver's door being open, the seatbelt unfastened, not yet having reached 6mph since the last start, the electric parking brake being applied, or the system needing the engine running to maintain cabin temperature or demist the windscreen. If your stop-start seems inconsistent, it's worth checking whether one of these genuinely explains it before assuming a fault.

A genuinely important, real account worth knowing about if stop-start still won't work reliably after ruling out the above: a Peugeot dealer's own service manager reportedly experienced the same intermittent stop-start fault on his own car despite twice-daily 45-minute motorway journeys, suggesting these systems are genuinely sensitive to battery charge state in a way that even consistent long-distance driving doesn't always resolve. This is worth knowing simply to set realistic expectations before paying for diagnostics or a replacement battery.

Peugeot 108 Battery: The Part Everyone Blames First, Not Always Correctly

A Peugeot 108 that won't start gets blamed on the battery more often than any other component, and it's right often enough to make that assumption a reasonable first check. But it's not always the actual cause, which is worth knowing before spending money on a replacement that doesn't fix anything.

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.

Peugeot 108 Battery: What It Does

The Peugeot 108's 12V battery provides the power needed to start the engine and runs electrical systems when the engine isn't turning. On cars with stop-start technology, the battery works much harder than on older designs, since the engine switches off and restarts far more frequently — which is exactly why these cars need a specific AGM or EFB battery type rather than a standard unit.

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Peugeot 108 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 Peugeot Battery

The same part, covered across other Peugeot models.