Volvo XC90 2015-2023 Owners Manual / Maintenance and service / Starter battery

Volvo XC90: Maintenance and service / Starter battery

The starter battery is used to start the electrical system and power the starter motor and other electrical equipment in the vehicle. The vehicle has a single-pole electrical system that uses the chassis and engine mount as conductors.

The vehicle has a voltage-regulated alternating current generator.

The starter battery is a 12 V battery, dimensioned for the carbon dioxide-reducing functions Start/Stop and regenerative charging and to support the function of the vehicle's various systems.

The service life and performance of the starter battery are affected by factors such as driving style, driving conditions, climate, battery discharges, number of starts, etc.

  • Never disconnect the starter battery while the engine is running.
  • Make sure the cables to the starter battery are correctly connected and the clamps are securely tightened.


  • Batteries generate hydrogen gas, which is flammable and explosive.
  • Do not connect the jumper cable to any part of the fuel system or to any moving parts. Avoid touching hot manifolds.
  • Battery fluid contains sulfuric acid. Do not allow battery fluid to contact eyes, skin, fabrics or painted surfaces.
  • If contact occurs, flush the affected area immediately with water. Obtain medical help immediately if eyes are affected.
  • Never expose the battery to open flame or electric spark. Do not smoke near the battery. Failure to follow the instructions for jump starting can lead to injury.

Starter battery service life and capacity

The service life of the starter battery is affected by several factors, such as number of starts, battery discharges, driving style, driving conditions, climate, etc. The starting capacity of the battery reduces gradually over time. The battery must therefore be recharged if the vehicle is not used for a long period of time or if it is only driven short distances. Severe cold further limits starting capacity. If the starter battery becomes discharged too many times, its service life will be shortened.

To help keep the starter battery in good condition, the vehicle should be driven at least 15 minutes per week or the battery should be connected to a battery charger with automatic trickle charging. A starter battery that is always kept fully charged has the maximum service life.


Volvo XC90. Starter battery

The starter battery is located in the cargo compartment.


If the starter battery is disconnected, the function for automatic opening and closing must be reset to function correctly. A reset is required in order for the pinch protection to work.


On certain models, the battery is secured with a tensioning strap. Make sure that the tensioning strap is always securely tightened.

Specifications for starter battery

Volvo XC90. Starter battery

A According to EN standard.

B Cold Cranking Amperes.

Volvo recommends that batteries are replaced by an authorized Volvo workshop.


If replacing the battery, make sure you replace it with a battery of the same size, cold start capacity and type as the original battery (see the decal on the battery).

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