If you’re at all interested in going electric, a recipe of US tax policy changes plus recent progress in vehicle and battery tech means the perfect time to buy a used electric vehicle is, well, now. Electric vehicles have some crucial differences from their gas-powered cousins, which means there are a few tricks to picking out whatever is the opposite of a lemon. This is the most foreign part of the electric vehicle for those making the transition from gas, and it can cost between $5,000 to $16,000 to replace—expensive! Automakers post their vehicles’ charging speeds online—here's an example for the Hyundai Ioniq 5. (Keep an eye out for the 10 to 80 percent battery charging time speeds, which tends to be the industry standard.)