What is the battery model for Volvo car keys?

2 Answers
OCody
07/29/25 2:46am
Volvo key battery model is CR2032. CR2032 is a lithium manganese dioxide battery, named according to IEC standards. Among them: C - indicates a chemical battery system with lithium metal as the negative electrode and manganese dioxide as the positive electrode; R - indicates that the battery is cylindrical in shape, with F used instead if it is square; 20 - indicates the battery diameter is 20mm; 32 - represents the battery height is 3.2mm. The nominal voltage is 3.0V, the endpoint voltage is 2.0V, and the rated capacity varies between 200-240mAh, depending on the manufacturer's quality. The shelf life of CR2032 is typically 5 years. If the manufacturing level is low or quality control is poor, its lifespan can be significantly shortened. Domestic first-tier brand batteries can generally guarantee this lifespan. Under ideal usage conditions (sealed, room temperature, no moisture interference, etc.), the lifespan can be further extended to 8 years or even 10 years. Generally, replacing a car key battery only requires the following 3 steps: Step 1: Remove the mechanical key. Press the buckle on the side of the smart key to remove the mechanical key. Step 2: Open the battery cover. After removing the mechanical key, you can see a deep slot and a shallow slot at the top of the smart key. The deep slot is the keyhole, while the shallow slot is used to open the battery cover. Insert the mechanical key into the shallow slot and pry it outward to open the battery cover. Once opened, you can see the coin cell battery. Gently pry it out to remove the battery. Step 3: Replace the new battery. Install the new battery, then reattach the battery cover and mechanical key in sequence to complete the battery replacement.
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VonAna
08/12/25 6:41am
Our family has been driving a Volvo for over a decade, and the key fob batteries have mostly been CR2032 models, those small coin-shaped batteries. I've replaced them myself several times, and it's quite convenient. After opening the back cover of the key, you can see the battery. Just use a small tool to gently pry it open, take out the old battery (be careful not to flip it upside down), and insert the new one with the positive side facing up. These batteries can be bought for just a few dollars at supermarkets or online stores, so there's no need to go to a 4S dealership, which saves both hassle and money. Typically, you'll need to replace the battery every one or two years, especially in cold weather when the battery tends to drain faster and the buttons become less responsive. Changing it early can prevent the frustration of pressing the button repeatedly with no response when trying to unlock the car. It's a good idea to keep a spare battery in your bag for emergencies.
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