EV Charger Installation 3 min read
Level 1 vs Level 2 EV Chargers: Which to Choose
Quick answer
Compare Level 1 and Level 2 EV charging speeds, electrical requirements, installation needs, and daily-use tradeoffs for Arizona homes.
Need help with this? See our EV charger installation service.
Level 1 and Level 2 chargers differ in voltage, charging speed, installation, and cost:
- Level 1 Charger: Plugs into a standard 120 V outlet. Adds 2–5 miles of range per hour. Best for low-mileage drivers and overnight charging. Costs $300–$600, with little to no installation expense.
- Level 2 Charger: Requires a 240 V outlet and professional installation. Adds 10–30 miles of range per hour. Ideal for longer commutes or frequent charging. Costs $750–$3,500, including installation.
Quick Comparison:
| Feature | Level 1 Charger | Level 2 Charger |
|---|---|---|
| Voltage | 120 V AC | 240 V AC |
| Charging Speed | 2–5 miles/hour | 10–30 miles/hour |
| Installation Cost | Minimal | $400–$1,700 |
| Best For | Short commutes, overnight charging | Daily charging, long commutes |
Key takeaway: If you drive short distances and can charge overnight, a Level 1 charger works fine. For faster, more frequent charging, go with Level 2.
Level 1 vs Level 2 Charger Basics
What Are Level 1 and Level 2 Chargers
Level 1 chargers connect to any standard 120 V outlet and typically come included with most electric vehicles (EVs). On the other hand, Level 2 chargers require a 240 V circuit, similar to what is used for large appliances like dryers, and must be installed by a professional [1] (opens in a new tab)[3] (opens in a new tab). Level 2 chargers can deliver up to 19.2 kW of power, allowing for much faster charging times. Both charger types use the SAE J1772 (opens in a new tab) connector, but Tesla (opens in a new tab) vehicles require a J1772 adapter for compatibility [3] (opens in a new tab).
Technical Specifications
| Feature | Level 1 Charger | Level 2 Charger |
|---|---|---|
| Voltage | 120 V AC | 240 V AC |
| Max Output (kW) | 1.4 kW | Up to 19.2 kW |
| Charging Speed | 2–5 miles of range per hour | 10–30 miles of range per hour |
| Installation Requirements | Plug-and-play | Professional installation |
| Typical Cost Range | $300 – $600 | $750 – $3,500 |
| Best Use Case | Overnight charging, short commutes | Daily charging, longer commutes |
A Level 1 charger delivers AC power from a regular outlet, which the car’s onboard charger converts into DC power, making it ideal for overnight charging [1] (opens in a new tab).
Charging Times and Efficiency
How Fast Each Type Charges
Level 1 chargers provide 2–5 miles of range per hour, while Level 2 chargers offer 10–30 miles per hour of charging range [1] (opens in a new tab). Fully charging an empty EV can take over 20 hours with a Level 1 charger. In contrast, Level 2 chargers can complete the same task in just 3–4 hours, making them about five times faster [4] (opens in a new tab).
What Affects Charging Speed
Vehicle and electrical system limits
Battery size, the onboard charger's capacity, the home circuit's capability, and the local grid's load all affect charging speed [2] (opens in a new tab).
Environmental factors and battery health
Charging can slow down due to poor battery health or extreme temperatures, whether too hot or too cold [2] (opens in a new tab).
Video: Level 1 vs Level 2 vs DC Fast Charging
Play video: VideoSetup Requirements and Pricing
Installation Details
- Level 1 chargers: These plug into any standard 120 V outlet. If your charging area is more than 25 feet away, you might need to install an additional outlet.
- Level 2 chargers: Require a dedicated 240 V circuit, a breaker, appropriately sized wiring, and professional installation for proper mounting.
Cost Overview
Here's what you can expect to spend based on the type of charger:
- Level 1 chargers: Typically cost between $300 and $600, with little to no installation expenses.
- Level 2 chargers: The units themselves range from $160 to $2,000. Installation costs add $400 to $1,700, permits might cost $50 to $200, and wiring runs about $6 to $8 per foot. If you need a 200 A panel upgrade, expect to pay $5,200 to $6,500. Adding a 50 A circuit costs between $300 and $800.
Safety and Maintenance
To ensure safe use, follow local electrical codes and schedule regular inspections of your charging equipment.
Home vs Business Applications
Best Options for Homes
For residential use, Level 1 chargers are a simple option. They plug into a standard 120 V outlet and work well for low-mileage drivers who can charge overnight. On the other hand, Level 2 chargers require a 240 V circuit and are better suited for those with longer commutes or frequent charging needs [1] (opens in a new tab).
Why Level 2 Works for Businesses
For businesses, Level 2 chargers are the usual choice. They can handle multiple users and integrate with management systems, making them a practical solution for workplaces or commercial spaces [3] (opens in a new tab).
| Feature | Business Advantage |
|---|---|
| Fast charging speed | Adds 10–30 miles of range per hour |
| Supports multiple users | Convenient for employees and customers |
| Smart connectivity | Tracks usage and manages energy efficiently |
| Programmable schedule | Reduces costs by charging during off-peak hours |
The Wire Guy Electric Services
We install EV chargers for homes and businesses in Mesa, AZ.
- For businesses: We assess your electrical setup, recommend chargers, handle the wiring and any panel upgrade, and walk you through the permit decision when one applies.
- For homes: We check your electrical panel, install the dedicated circuit, and make sure everything works safely.
Which Charger to Choose
Key Takeaways
Level 1 suits lower-mileage drivers who can charge overnight: setup is easy and costs little. Level 2 suits people who drive more and need faster charging, but installation costs more.
What to Do Next
Once you've picked a charger, The Wire Guy Electric will:
- Evaluate your electrical system and recommend a charger setup it can handle
- Walk you through whether a permit makes sense and handle it if you decide to pull one
- Complete a safe, code-compliant installation
Reach out to The Wire Guy Electric for a custom assessment and clear pricing.
