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JuiceBox 40 Amp EV Charger Review

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8.6
Expert ScoreRead review

The JuiceBox 40 Smart EV Charging Station delivers 40 amps of Level 2 charging with a 25-foot cable and NEMA 14-50 plug. UL and Energy Star certified, it provides efficient, safe charging for both indoor and outdoor use. WiFi connectivity enables smart features for optimized performance and energy management.

The JuiceBox 40 Amp EV Charger delivers fast and efficient charging for electric vehicles. With 40 amperes and 9.6 kW power, it charges up to seven times faster than standard Level 1 chargers. This unit works both indoors and outdoors, offering versatility for various installation locations. A built-in cable rack and security lock enhance convenience and safety. It is UL-listed, ENERGY STAR-certified, and backed by a 3-year warranty, ensuring reliability and peace of mind.

The charger features WiFi connectivity, allowing users to manage charging through the free JuiceNet app. The app enables remote monitoring, notifications, scheduling, and charging reminders. Integration with Amazon Alexa provides easy voice control. Dynamic LED lights indicate charging status, making it user-friendly.

The JuiceBox supports smart grid savings by letting users schedule charging during off-peak hours to reduce electricity costs. This makes EV ownership more economical while promoting sustainable energy use.

Installation is straightforward with a NEMA 14-50 plug or a NEMA 6-50 plug. Users with compatible NEMA outlets can also use adapters. Local rebates and incentives may be available, reducing upfront costs further.

The physical design is durable and secure. Its slim mounting plate locks the charger in place, deterring theft. The built-in cable organizer simplifies storage and reduces clutter.

Overall, the JuiceBox 40 Amp EV Charger combines fast charging, smart features, and robust build quality. It suits homeowners looking for reliable and efficient EV charging with modern connectivity options.

JuiceBox 40 Amp EV Charger NEMA 14-50 Installation Guide

The wiring diagram below shows the setup for installing a NEMA 14-50R outlet with the JuiceBox 40 Amp EV Charger. It includes a 50-amp double-pole breaker, a main breaker, and neutral, and ground busbars within a 120V/240V panel. Key components are labeled: L1 (Hot 1), L2 (Hot 2), Neutral, and Ground, using 6 AWG 90°C copper wire. The diagram specifies conduit sizes (¾”-1¼”) and proper grounding with a ground rod, compliant with NEC standards for a safe installation.

Wiring diagram for NEMA 14-50R outlet installation with JuiceBox 40 Amp EV Charger. Includes 50-amp double-pole breaker, main breaker, neutral and ground busbars in a 120V/240V panel. Labels: L1 (Hot 1), L2 (Hot 2), Neutral, Ground. Uses 6 AWG 90°C copper wire. Conduit sizes (¾”-1¼”) and grounding with a ground rod, compliant with NEC standards.

Compatible NEMA 14-50 Outlets

For optimal performance with your JuiceBox 40 Amp EV Charger, use high-quality NEMA 14-50 outlets. These outlets, preconfigured for NEMA Type 14-50P, comply with 2017 NEC Section 625.17, supporting up to 40A on a 50A circuit breaker. They deliver a continuous 40A (9.6 kW) charge, ensuring safe, efficient operation. Built for durability, they support 6 AWG wiring to prevent overheating during use, offering a reliable, future-proof charging solution.

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Hubbell Lighting 125V 50A 3-Pole 4-Wire Receptacle – HBL9450A
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The Hubbell 14-50 outlet is our number #1 NEMA 14-50 outlet that we recommend for plug-in Level 2 EV charger installations, the outlet combines safety, durability, and performance, making it a top choice for EV owners with a plug-in Level 2 EV charger aiming to establish a dependable home charging station.
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Bryant Electric 9450FR 50 Amp 125/250V NEMA 14-50R Flush Straight Blade Receptacle, Black
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The Bryant 14-50 outlet is a durable, 50-amp solution for Level 2 EV charging. Built with heat-resistant materials, it supports #10-6 AWG wires and stays cool at 75°F during extended use. UL-listed and easy to install, it delivers reliable performance, making it a safe and efficient choice for EV owners.
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Leviton 279-S00 50 Amp, 125/250V, Nema 14-50R, 3P, 4W, Flush Mounting Receptacle, Straight Blade, Industrial Grade, Grounding, Side Wired, steel Strap, Black
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The Leviton NEMA 14-50 outlet is a reliable, durable choice for Level 2 EV charging, supporting 50 amps and 125/250 VAC. It features easy-to-identify terminals, accepts up to 6 AWG wires, and includes mounting hardware. However, it lacks instructions, and spring-loaded contacts may wear over time, posing a fire risk.

JuiceBox 40 Amp EV Charger Installation with NEMA 6-50 Outlet

Installing the JuiceBox 40 Amp EV Charger using a NEMA 6-50 outlet differs from a NEMA 14-50 installation. The NEMA 6-50R outlet features two parallel hot prongs, with the larger prong on the right, and a horseshoe-shaped ground prong.

For proper installation, since the charger has a maximum of 40 amps, connect the outlet to a dedicated 50-amp circuit breaker, and use a 6-gauge wire for the wiring. Ensure the wiring is enclosed in conduit with an inner diameter ranging from 3/4″ to 1¼”.

The diagram below offers detailed instructions for wiring the NEMA 6-50R outlet for the JuiceBox 40 Amp EV Charger, including close-up views of the outlet’s terminal connections and the full branch circuit from the breaker panel to the outlet.

Diagram showing the wiring of a NEMA 6-50R outlet for the JuiceBox 40 Amp EV Charger, with detailed views of the outlet's terminal connections and the full branch circuit from the breaker panel to the outlet. The diagram highlights the use of a dedicated 50-amp circuit breaker, 6-gauge wire, and conduit with an inner diameter of 3/4″ to 1¼” for proper installation

Compatible NEMA 6-50 Outlets for JuiceBox 40 Amp EV Charger

For optimal performance, use the high-quality NEMA 6-50 outlets listed below. These outlets are NEC-compliant, designed to support 40A continuous current on a 50A circuit breaker, and are compatible with 6 AWG wiring. This setup ensures safe, efficient charging while preventing overheating and ensuring reliable operation for the JuiceBox 40 Amp EV Charger.

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Bryant Electric 9650FR 50 Amp 250V NEMA 6-50R Flush Straight Blade Receptacle, Black
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The Bryant NEMA 6-50R Outlet stands out for its combination of ease of use, safety features, and solid performance. It is a top choice for anyone needing a reliable outlet for their NEMA 6-50 Level 2 EV charger.
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Hubbell Wiring Device-Kellems Receptacle,Single,50A,6-50R,250V,Black
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The Hubbell NEMA 6-50R outlet offers a reliable, safe, and easy-to-install solution for NEMA 6-50 EV chargers. Its durable construction and adherence to safety standards make it ideal for both residential and commercial EV charging installations.

JuiceBox 40 Amp EV Charger Compatible Outlet Covers

We added outlet covers while installing the JuiceBox 40 Amp EV Charger. The covers ensure safety by preventing contact with live components, blocking, tampering, improving aesthetics, conserving energy, and providing overload indicators. They also fit the plug and cable during active use.

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TayMac MM420C 1-Gang Nonmetallic Extra Duty Weatherproof In-Use Horizontal/Vertical 16-in-1 Standard Cover, 2.75 in, Clear
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The TayMac MM420C Extra Duty EV Charger Outlet Cover provides strong outdoor protection for EV charger outlets. Constructed from durable high-impact polycarbonate, it ensures quick installation and versatile 16-in-1 configuration. Certified to cULus and NEMA standards, it includes a lockable tab. For enhanced EV charger theft protection, an EV charger lockbox is recommended.
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TayMac MX3200 RaynGuard Extra Duty Metal Weatherproof in-Use Cover, 1-Gang, Gray, 3.55 x 3.37 x 6.12 inches
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The TayMac MX3200 Extra Duty EV Charger Outlet Cover is a durable, flexible, and secure solution for outdoor EV charger installations, providing peace of mind and reliable protection for your equipment.
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TayMac MM720G 1-Gang Horizontal or Vertical Weatherproof Jumbo Extra Duty While in Use Cover , Gray
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The TayMac Extra Duty EV Charger Outlet Cover offers durable, weatherproof protection for outdoor NEMA outlets, specifically designed for plug-in EV chargers. With a quick-install design, 16 configuration options, and a lockable tab to prevent theft, its tough polycarbonate construction ensures secure and reliable performance for your EV charging needs.
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TayMac MM410C Single Horizontal/Vertical Mount 1-Gang Weatherproof In-Use Electrical Outlet Cover for Home Improvement, 2.75 in, Clear
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The TayMac Duplex EV Charger Outlet Cover offers durable protection for indoor EV charging outlets. Made from high-impact polycarbonate, it features a sleek, clear design and supports easy installation with a Quick-Fit system. Ideal for garages, it accommodates most outlets but may not fit all plug configurations.
8.6Expert Score
The JuiceBox 40 Amp EV Charger excels in speed, delivering 7x faster charging with 9.6 kW power. Its robust design features a secure locking mount and built-in cable organizer. Smart WiFi connectivity and app integration enable seamless scheduling and monitoring, while ENERGY STAR certification and rebate eligibility add unmatched value for EV owners.
Features
8.5
Real World Usage
8
Materials
9
Durability
8.5
Craftsmanship
8
Design
9
Monetary Value
8.5
Product Value
8.5
Brand Reputation
9
Expert Valuation
8.5
PROS
  • Fast charging up to 40 amps for quick vehicle readiness
  • Durable design with secure locking mount for added theft protection
  • WiFi connectivity and app integration for easy monitoring and control
  • ENERGY STAR certified for energy efficiency
  • Supports smart charging to save on electricity costs
  • Simple plug-in installation with NEMA 14-50 compatibility
CONS
  • Manufacturer leaving the U.S.

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