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The charging library

A little knowledge.
A clearer choice.

Find your way through connectors, installation and everyday charging. Start with the basics, or go straight to your question.

Illustration of an electric vehicle connected to a charger
Start here · Buying guideHow to choose a Level 2 home chargerUnderstand the connector, power and installation before you choose. Read the guide

Buying guides

3 articles

Home EV Charger Setup Checklist: From Connector to First Charge

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J1772 or NACS: Which Charger Connector Your EV Needs

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Plug-In or Hardwired EV Charger: Which Fits Your Home

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Charging basics

6 articles

AC vs DC Charging: What Differs and Why It Matters at Home

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How Long Does It Take to Charge an Electric Vehicle at Home?

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kW vs kWh Explained: What the Units Mean for Your EV Charging

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Miles of Range per Hour Explained for Home EV Chargers

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What Is Level 2 EV Charging and How Does It Work at Home?

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Why Your Car's Onboard Charger Sets the Speed of AC Charging

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Choosing a charger

6 articles

40A vs 48A EV Chargers: Which One Makes Sense at Home

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Choosing a Home Charger for Your Next EV: A Practical Guide

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Does a Faster Home EV Charger Help Every EV Equally?

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How Long Should an EV Charging Cable Be for Your Garage?

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How Many Amps Does a Home EV Charger Actually Need?

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Level 1 vs Level 2 EV Charging: Which Speed Fits Your Home

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Connectors and compatibility

6 articles

How to Tell Which Connector Your EV Uses Before You Buy a Charger

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J1772 Connector Explained: The Standard Plug for Most Non-Tesla EVs

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J1772, NACS, and CCS Compared: Which Connector Matters at Home

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NACS Connector Explained: What Tesla's Plug Means for Home Charging

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The Move to NACS: What It Means for Your Home EV Charger Choice

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Using EV Charging Adapters at Home: Safety Limits and Setup Tips

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Everyday charging

6 articles

Charging Your EV Overnight and During Off-Peak Hours

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How Often Should You Charge Your Electric Vehicle at Home?

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Setting a Daily Charge Limit for Your Electric Vehicle

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Sharing One Home Charger Between Two Electric Vehicles

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What 240-Volt Power Is and Why Most EV Chargers Use It

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Why Extension Cords and Adapters Are Unsafe on a 240V Outlet

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Installation

6 articles

Breaker Size for a Level 2 EV Charger: 40A, 48A and the 80% Rule

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Electrical Panel Capacity and EV Charging: What to Check First

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Permits and Inspections for EV Charger Installation: What to Expect

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What Is a NEMA 14-50 Outlet and Who Needs One for EV Charging?

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When Do You Need an Electrician for an EV Charger Installation?

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Where to Mount a Home EV Charger: Location, Cable Reach and Access

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Ownership and safety

6 articles

Caring for Your EV Charging Cable: Simple Habits That Last

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Charging Your EV in Cold Weather: What Changes and Why

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Home Charging Versus Public Charging: How to Choose

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Home EV Charging Safety: The Basics Every Owner Should Know

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Your EV Charger Warranty: Terms, Length and Proof of Purchase

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Your EV Won't Start Charging? Check These Steps First

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