How to Check the Serial Number of an Electric Vehicle Battery?

2 Answers
Sam
07/24/25 2:40am
Electric vehicle battery serial numbers are located on the battery. The serial number refers to the battery's specification parameters, which can be seen on the label at the top of the battery. These numbers represent the battery's rated voltage, capacity, cold cranking amperage, etc. Different battery models may have their serial numbers marked in different locations. The method to repair an electric vehicle battery is as follows: 1. Remove the battery and pry open the plastic cover; 2. Take off the rubber caps on the refill holes and place them in a clean area; 3. Use a syringe to inject an equal amount of repair solution and distilled water into each hole, keeping the injection volume within 8 to 10ml; 4. Replace the rubber caps and plastic cover, applying glue to the edges of the cover; 5. Let it sit for three hours before reinstalling the battery, after which the vehicle can be driven.
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StSienna
08/10/25 10:16pm
As a long-time electric vehicle user, I find checking the battery serial number quite straightforward. First, turn off the EV's power to ensure there's no current for safety. Locate the battery position, typically under the seat or in the chassis area. Gently open the battery compartment cover - if it's secured with screws, loosen them with a tool rather than forcing it open. The label is affixed to the battery surface, with black or white markings; the serial number usually begins with S/N followed by a string of digits, sometimes accompanied by a barcode. I make it a habit to photograph it with my phone for future warranty registration or resale verification. If the label is illegible, consult the manual's reference diagram or search online for model-specific locations. As preventive maintenance, I recommend noting down the number before installation; with older vehicle batteries being more exposed, wear gloves to avoid contamination. Never overlook this during EV maintenance - the serial number proves crucial for recalls or fault diagnostics.
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