Volkswagen Up! Battery: Specs, Fitment & Common Faults
A genuine, well-documented VW Group requirement: the Up!'s replacement battery needs to be "coded" to the car's Gateway module — here's what that actually involves.
OEM Part Number: 12E915592A
| Standard fitment (non-Start/Stop), confirmed by owner measurement | Type 202, 175mm x 175mm x 190mm, minimum 37Ah |
|---|---|
| Larger alternative (confirmed to fit via second mounting hole) | Type 012/079, 207mm x 175mm x 190mm — longer but not taller than standard |
| Start/Stop variants (1.0 GTI, 1.0 MPI 55kW), EFB required | 242-243mm case, minimum 60Ah, 560A (EN) |
| e-Up!, 12V battery module (not the drive battery) | Genuine reference: 12E915592A/E — genuinely separate from the high-voltage traction battery |
Confirmed: Stop-Start Up!s Genuinely Need the Battery "Coded" After Replacement — Volkswagen Up! Battery
This is worth understanding before assuming a simple swap is the end of the job: VW Group vehicles with a Battery Management System (essentially any model with stop-start) need the new battery's details — capacity, chemistry, and serial number — registered to the car's Gateway module, a process usually called battery coding or registration. Skip this, and the car's charging strategy keeps assuming the old, worn battery is still fitted, which can lead to overcharging or undercharging the new one and shortening its life prematurely. This can genuinely be done with widely available aftermarket tools like VCDS or OBDeleven, not exclusively at a VW dealer with their ODIS system — worth knowing if you're comparing quotes or considering doing it yourself.
The Part Everyone Blames First, Not Always Correctly
A car 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.
What It Does
The 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.
Shop for This Part on eBay
EFB Battery fits VW UP FOX T-ROC T-CROSS TAIGO EOS Stop Start 027 EFB
GBP 66.54
VW Up 1.0 Petrol Car Battery - 002L Advanced HD
GBP 49.95
Battery fits VW UP TIGUAN FOX ID3 LUPO BEETLE ID5 TOURAN ID4 Exide 012
GBP 54.65
Battery For VW UP 1.0 Varta Blue Dynamic 12V 44Ah 420CCA Type 202
GBP 52.70
Battery fits VW UP TIGUAN FOX ID3 LUPO BEETLE ID5 TOURAN ID4 Exide 012
GBP 52.52
Battery fits VW UP TIGUAN FOX ID3 LUPO BEETLE ID5 TOURAN ID4 012 420A
GBP 44.96
VOLKSWAGEN UP Battery Module Junction Fuse Box 1S0907461A
GBP 37.10
Varta Dynamic A9 AGM Start-Stop Battery (50Ah 540A)
GBP 102.63
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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 Volkswagen Battery
The same part, covered across other Volkswagen models.