Tesla & EV Accessory Authority

The Best EV Accessories & Guides, Tested & Ranked

Hands-on reviews and buying guides for Tesla and every other EV — accessories, charging, and the comparisons that actually help you decide.

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Featured Guides

A handful of our most popular guides. Browse a category below for the full library.

Tesla CareWhy Your Tesla AC Smells Musty (and How to Fix It)Why that mildew smell happens — and the evaporator fix that clears it.Read the Guide →Tesla CareHow to Clean Tesla Windshield CamerasThe right way to clean the cameras behind the mirror — no streaks, no damage.Read the Guide →Buyer's GuidesSwitching From Gas to Electric: An Honest GuideBoth sides of every argument — cost, range, charging, winter — checked against the data.Read the Guide →EV ChargingHome EV Charging: The Complete Setup GuidePanel capacity, outlet vs hardwired, real install costs, and which incentives still apply.Read the Guide →Teen DriversWhy a Used Tesla Model 3 Is the Perfect First Car for a Teen5-star safety, real parental controls, and home charging — the honest parent's breakdown.Read the Guide →New OwnersFirst Tesla Accessories: A New Owner's Buy ListThe must-have buy list for a brand-new Tesla owner, from a multi-Tesla owner.Read the Guide →

Latest Article

Fresh off the bench.

Latest · Buyer's Guides

Tesla 12V Battery Failure: Signs, Fixes & Replacement

Your Tesla's 12V battery can fail with little warning and lock you out. The warning signs, what dies with it, which battery your car has, and how to be ready.

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31 guidesTesla Model 3/Y 2 guidesTesla Model S/X 1 guideCybertruck 9 guidesEV Charging 8 guidesNon-Tesla Vehicles 33 guidesBuyer's Guides 2 guidesFSD & Driver Assistance 1 guideTeen Drivers

Hands-On EV Accessories Reviews by a Real Owner

TheEVAuthority is run by a long-time EV owner who has driven multiple electric vehicles over many years, logging over 50,000 miles on Tesla Full Self-Driving. From the best EV accessories to home chargers, dashcams, and head-to-head comparisons, every EV accessories review and buying guide here is based on real ownership and hands-on testing — never spec sheets alone. As an Amazon Associate, we earn from qualifying purchases at no extra cost to you.

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Tesla Model 3/Y Tesla Model S/X Cybertruck EV Charging Non-Tesla Vehicles Buyer's Guides FSD & Driver Assistance Teen Drivers Shop Merch