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Reviewed: JuiceBox Pro 32 / 40 [Buying Guide]

Are you looking for a quality electric car charger that works with all makes and models (adapters required for Teslas), can charge your car fast, and will last for many years? The Enel X – Juicebox Pro 32 / 40 might just be a good EV charger for you.

This smart level 2 UL-certified EV charger can charge electric vehicles 7X faster than most others out there. It works with almost all electric vehicles. Compatible with Alexa and Google Assistant. It’s a bestselling EV charger and one of the most famous products ever made by Enel X (formerly eMotorWerks).

Now, let’s dive deep into the main part of this JuiceBox Pro 32 / 40 review to find out more about this EV charger.

Enel X: JuiceBox Pro 32 / 40 Review

JuiceBox Pro 32 / 40, manufactured by Enel X (formerly eMotorWerks) supports high-speed charging (maximum 9.6 Kilowatts). It is certified by UL. Both of these would probably play a key role in your purchase decision.

It assures that it is safe to use inside or outside of the home. It comes with a smart grid, Wi-Fi connectivity, and advanced controls system features.

Key Features:

  • Voice control via Amazon Alexa & Google Home
  • Durable, Waterproof, and Fireproof metal case
  • Charging Cable: 24 feet long, NEMA 14-50 plug
  • Certified By UL
  • LED indication for power, connectivity and charging status
  • Full JuiceNet app and web-based charging control system
  • High charging speed, 40A | 10 kW
  • Voltage: 240 volts
  • Portable, Weight: 20 pound
  • A high range of electric vehicles like BMW i3, Chevrolet Volt or Tesla Model 3 and many more EV models are compatible with this charger for its long-range charging ability.

You can use it as your home charging set-up. In case if you don’t own an electronic vehicle yet, I hope you will get one very soon. The pricing is very competitive and contains specific guidelines on how to use it.

Easy to Assessable

This charger is very easy to assess. It supports any kind of power supply source. It is ready to plug into any outlet that supports 240 voltages & 40 amp power (NEMA 14-50). They provide the adapter for free with this EV charger.

It fits for almost all kinds of electric vehicles on the street. It’s perfect for those EV owners who have their own house or garage. They can fast-charge their cars and with safety control from electric demand protection.

Fast Charging

This 70A version charger station uses 240 voltage & 40 amp power. This is a level 2 category charger station that provides a 10X faster charge than other models out there. It is powerful enough to charge even demanding vehicles from Tesla.

Those who own multiple electric vehicles can install two JuiceBoxes to share just one electrical line and configure them in such a way that they never exceed 80A of a combined draw.

But when any one of them is not used, the other one is allowed to charge at the maximum rate of 70A. It naturally accustoms with your vehicle and provides as much power as it demands.


nema 14-50
JuiceBox Pro 32 / 40 is very portable and smaller in size comparing to most of the EV chargers.

JuiceBox EV Charger can be plugged into standard outlets and don’t require hard-wired installations. It only requires NEMA 14-50 outlets and nothing else. It is fantastically transportable and really cost-effective.

The mounting bracket provided with this EV charger allows users to remove the charger within a few seconds and move it to another location. It’s also ideal for apartment and home EV drivers that surely avoid outside electric demand/rates.

It can be used as both indoor or outdoor charger or it can be used as a travel vehicle charger.


It is the most powerful electronic charger on the market which is categorized in Level 2. Its onboard charger capacity is 10 kilowatts that are enough for recharging high-speed cars like Tesla X, Mercedes B- class electric car, etc.

Advanced Control System

It’s quite hard to find a smarter charger than JuiceBox Pro 32 / 40.

It has a complete software Juicenet and web-based control system with this product that provides real-time charging, current measurement, and voltage monitoring facilities.

JuiceBox Pro 32 / 40 Smart Features

You can check the history of your data charging from your smartphone. There is also an option for voice control system. This technology is newly added.

You can control, monitor or manage your charging system through voice command of Google Home or Amazon Echo/Alexa.

With Wi-Fi connectivity, persistent storage of energy data, a dedicated smartphone application that supports notifications, exact voltage and current measurements, and other features. JuiceBox is definitely one of the smartest EV chargers ever made.


This product is certified by UL. UL provides the safety rating for electronic charger stations. So, JuiceBox Pro 32 / 40 is obviously a very safe one to use.

Small Footprint

Because the JuiceBox EV Charger is such a simple device, it’s likewise the smallest EVSE of its class available on the market. Measuring only 10″ x 6″ x 3.5″ and weighing approximately 18 pounds which is so convenient to shift from one place to another.

Heavy-Duty Cable

Though EVSE charging cables have to carry heavy loads, they generally don’t really feel adequately rugged.

Definitely, it’s not the main case with the JuiceBox. The cable is durable, heavy but not too heavy. The cable is approximately 24 feet long which is so sturdy, long-lasting & heavy. It is enough powerful to carry mass loads.

Rugged Design

This Juicebox Charger is fully waterproof and fireproof. eMotorWerks practically proved this by submerging their 60A / 15kW Open Source JuiceBox EVSE under 12 gallons of water and ice for 5 minutes in their EVSE Ice Bucket Test.

The charging system is unique can be used with any power source. It is capable of withstanding even complete submersion for several minutes.

You can plug it into RV-type, regular wall outlet with adapters or dryer. After installing a 14-50R outlet you can plug in your Juice Box pro 40. It has the smart circuit load balancing capacity that never exceeds the limit of your electrical supply circuit.

Manufacturer’s Warranty
When you buy this charger, you’ll get a 3-year manufacturer’s warranty for home usage that covers just about all the problems that you could experience. (Note: Warranty period may change anytime)


    • Fireproof and waterproof metal case
    • Fastest charging system and heavy-duty cable
    • Higher amperage than other competing models
    • Web and smartphone access for smart charging
    • Very durable & portable EVSE with advance Wi-Fi control
    • Access to utility demand response programs in California
    • 24 feet long sturdy cable


    • Installation can be a little hard for some people
    • Less sleek design

What Recent Users Say About JuiceBox Pro 32 / 40

      • A user said that this charger charges his MB B250e car at it maximum 10 kWh rate so, it’s fully charged in about 3 hours from empty. The dashboard for the browser seems very informative to him and sends useful notifications from time to time. He also said that EMW’s customer service was great. He faced a problem and EMW solved the problem within 2 days!
      • Another user said that this charger is sturdy, reliable, full-featured, and excellent customer service.
      • A user Jeff said it was very easy to install, just plug it in and go. Web and android setup couldn’t be much easier for him. He loves the faster charging time on his Volt.
      • Some user said they don’t like the fact that this charger has lack of indicator lights. Because it was hard for them to know what is happening to it without using the app.
      • Some found the app for this device is sorely lacking. Some other people found it hard to connect the charger to their smartphone app. It took a few tries to get Wi-Fi working for them.

About the Brand eMotorWerks (acquired by Enel X)

Electric Motor Werks is a privately held company situated in California and led by a group of people from Tesla, Google, Princeton, Stanford, BMW, and McKinsey.

This talented group was able to produce highly advanced charged packed with many high-end features, including sub-3-second control response latency, programmable AGC-style local response profiles, exact charging rate control, and advanced mobile/web user interface.

The company goes the additional mile to minimize their operating expense and manufacturing expense while meeting some of the strictest quality standards in the industry, in order to maximize their return on investment and provide end customers with fantastic value and quality items.

Unlike some other EVSE manufacturers who are fairly limited in the scope of their industry involvement, Electric Motor Werks plans to deploy over ten thousand stations this year, including those associated with a leadership role in the California Public Utilities Commission submetering pilot. The company is partnering with a number of big players in the energy industry to maximize the utility of its network.

Frequently Asked Questions (FAQ)

Juicebox Pro 32 / 40 FAQ

Ques: Does it work without wifi when plugged in?
Ans: Yes! It works.

Ques: Does it have an iPhone and Android app?
Ans: Yes, it has an app for both iOS and Android.

Ques: Can I mount it outside?
Ans: Yes, It’s a portable charging station. You can move the charger instantly.

Ques: Does this work with Mercedes B class or Tesla or BMW?
Ans: Yes, it works with all of them.

Ques: Can this charging station adjust input amperage? How?
Ans: Obviously. You can do that via the mobile app or web app for this Pro unit.

Ques: What electric vehicle models are this unit compatible with?
Ans: JuiceBox Pro 32 / 40 utilizes a standard J1772 charging protocol adopted by all EV manufacturers. That’s why JuiceBox works well with all production EVs.

Ques: What is the diameter of the J1772 cable of this charger?
Ans: 1 inch

Ques: Is JuiceBox Pro 32 / 40 safety certified?
Ans: Yes, JuiceBox Pro 32 / 40 is UL listed, with cUL for Canada.


I tried to cover everything about this EV charger in this JuiceBox Pro 32 / 40 Review. This one surely outranks other EV chargers in terms of features at its price range. The fact that it can charge vehicle faster, is extremely durable and certified by UL makes it worth giving a try. You won’t be disappointed.

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