Start with the records. Repair orders, warranty documents, mileage, and days out of service are more useful than general assumptions about whether a vehicle qualifies.
Slow electric-vehicle charging can turn every errand into a waiting game. If your EV consistently charges far below what the manufacturer advertised—and the dealer can’t fix it after reasonable attempts—you may be wondering whether California’s Lemon Law could apply. Below, ZapLemon explains how slow charging issues are evaluated under California’s Song-Beverly Consumer Warranty Act (often called the Lemon Law), what evidence helps, and practical steps you can take to protect your rights.
Is Slow EV Charging a Lemon in California?
Not all slow charging is a defect. Charging speed depends on many factors, including the power of the station you’re using (Level 1, Level 2, or DC fast), the state of charge when you plug in, battery temperature, and even whether the site’s power is being shared among vehicles. However, if your EV routinely charges much slower than the manufacturer’s stated capability across different stations and conditions—and the cause is traced to the vehicle itself (like an onboard charger, battery thermal system, or software)—that may point to a warrantable defect.
California’s Lemon Law generally applies when a manufacturer cannot repair a vehicle’s defect within a reasonable number of attempts during the warranty period, and the problem substantially impairs the vehicle’s use, value, or safety. With EVs, “use” and “value” can be tied directly to charging performance. For example, a car marketed to accept 150 kW DC fast charging but consistently limited to 30–40 kW on multiple networks, after repeated dealer visits and updates, might be considered substantially impaired. The specifics matter, and the law includes a presumption period (often discussed as the first 18 months or 18,000 miles), but claims can also be evaluated outside that window if warranty repairs continue.
Common vehicle-side causes of slow charging include battery management system faults, defective thermal management components (pumps, valves, sensors), onboard AC charger failures, software that improperly limits charging, or DC fast-charge handshake problems. Drivers often see messages like “Charging Power Reduced” or experience sudden throttling. If you’ve already returned to an authorized dealer multiple times and the issue persists, it may be time to explore your rights. Because every case turns on its facts, a consultation is the best way to understand options without assuming the outcome.
What to Document: Repairs, Warranty, Charge Logs
Start with repair documentation. Keep every repair order from your authorized dealer, including the dates in and out, your exact complaint (“DC fast charge limited to 35 kW on multiple stations”), what the dealer found, and what was done (diagnostics, software updates, parts replaced). Note any warning lights or messages, and save photos of dashboard alerts. Days your vehicle is out of service matter too; track them carefully. If the dealer tells you something verbally, follow up with a short email so there’s a written record.
Log your charging sessions to separate vehicle-related problems from station or environmental factors. For DC fast charging, note the station brand and rated power (e.g., 150 kW), outside temperature, your starting state of charge, whether you preconditioned the battery (if your car has that feature), and the peak charging rate you observed. Take timestamped photos or screenshots of the charger screen and your vehicle’s display showing kW and SOC. Repeat across different networks and locations. For Level 2, record the station amperage, the onboard charger rating of your car, and the miles or kWh added per hour. Patterns across multiple sites are powerful evidence.
Review your warranty and software history. Keep your warranty booklet, sales or lease contract, and any manufacturer communications, including recall notices or technical service bulletins (TSBs). Note firmware versions after each update and whether performance changed. Many EVs produce telematics or service logs—ask the dealer to include relevant diagnostic codes or test results in your repair paperwork. If you’ve used third-party chargers, document that you also tested manufacturer-recommended networks or equipment to rule out incompatible hardware. Clear, consistent records make it easier for a professional to evaluate whether your slow-charging issue points to a lemon claim under California law.
Need a case-specific review?
Use the case-review form to share the warranty, repair orders, dates, mileage, and supporting facts an attorney would need to evaluate, or call (844) 927-5366.
Attorney advertising. General information is not legal advice and does not create an attorney-client relationship. No result is promised or guaranteed.