Your EV's 12V Battery Can Leave You Stranded
Wait...you did know your EV still has a 12V "starter" battery, right? Yeah, it does...whether you can see it under the hood like on a standard VICE (vehicle with internal combustion engine), it's buried under the rear cargo area (Chevy Volt, see picture below), or it's somewhere else entirely (Tesla), your car has one. One minor exception: The Tesla Cybertruck has a 48V auxiliary system, so none of this will apply to that vehicle. Prefer a video version of this? See this Zero E-Michigan YouTube episode. If There's No Engine to Crank, What Does It Do? The 12V battery may not turn over an internal combustion engine when starting the car, but it's essential to fire up all the auxiliary systems like climate control, lights, wipers, and - most importantly - the vehicle's computer that controls everything. If your 12V battery is flat, your car won't start even if the main traction battery has a 100% charge. DC to DC Converter - Your EVs "Alternat...