Sweden · Battery knowledge hub
Recent Volvo models typically use AGM batteries, some with an auxiliary battery for start-stop. A battery-monitoring reset is recommended after replacement.
Select a model for generation-level battery notes
Some models have a secondary battery that supports start-stop.
Electrolyte is held in glass-fibre mats between the plates. AGM batteries tolerate frequent deep cycling and high electrical loads, which is why they are fitted to many premium and start-stop vehicles with brake-energy recovery.
Replacement rule: A vehicle designed for AGM should be fitted with AGM. A flooded or EFB battery in its place is likely to wear out quickly and may trigger charging-system faults.
Read the AGM guide →Generation-level information from our vehicle database. Where a field says “confirm”, it varies by engine or trim and is checked against your vehicle.
| Model | Generation | Years | Technology | Start-stop | Battery location |
|---|---|---|---|---|---|
| XC90 | SPA | 2015–present | AGM | Common | Confirm |
Messages about the support battery may refer to the auxiliary unit, not the main battery.
Some Volvo models have a secondary battery. The message may not involve the main battery at all — both should be tested.
Tell us the model and year, and send a photo of the current battery if you can. We confirm the right battery before anyone sets off.
Daily, including late evenings. Out-of-hours requests are answered as technician availability allows.