Review: Why The J+ Booster 2 Is The Best EV Charging Cable You'll Ever Own!

Electric cars today have the largest battery packs they've ever had, and that's made traditional 'granny lead' style charging cables a little tougher to use than they once were.

Add in automakers forgoing portable charging equipment as standard-fit items, and there's a chance your next EV may not come with a portable charge cable.

But if you need one - or just want to have one for emergencies - we think we've found the perfect product: J+ Booster 2.

Here's why we've fallen in love with this premium charging apparatus.

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Juice provided Transport Evolved with a review J+ Booster 2 to enable us to bring you this first-person review. The channel retained all editorial control.
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Script, Presenter: Nikki Gordon-Bloomfield
Camera, Coloring: Michael Horton
Art and Animation: Erin Carlie Editor,
Audio, Editor, and Producer: Nikki Gordon-Bloomfield
© Transport Evolved LLC, 2022
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[onegreenev]

I use a juice box with a long super heavy duty cable plugged into my 240 outlet in the garage and out to the carport to charge the car. The cable from the juice box itself to the car is also quite long. Works like a champ and has been faultless for nearly 10 years. I don't have an emergency one in my current EV but had them (free) in my two Nissan Leafs prior to my current EV. I used my original one from my 2011 Leaf until I was able to acquire a charge station which promptly failed within 3 weeks. Company went belly up as the product was a belly up product. The second one also failed but lasted a bit longer. Then came the Juice Box. Been running solid ever since.

[ashtaroth]

Bjorn nyland drove over the juice Booster 2 with his Tesla Model X years ago and the unit still works

[MilhouseBS]

Changing amps to pull is a must. I pull 9 instead of 12 amps on my set up.

[Yanquetino]

Nice! An informative review. It's a very robust, versatile "granny" cable. I well remember upgrading my LEAF's portable unit to handle 240V, and buying (and modifying) adapters for it. Now… I have a Tesla UMC, with every adapter available. It has proven so reliable that I intend to keep it, and equip it with a TeslaTap 80, if and when I transition to a different EV. The only notable difference is that it maxes out at 32A, rather than the higher, faster 40A that this unit boasts.

[karlbloss]

This unit does have many compelling features including the smart input adapters, power level up to nearly 10 KW and the ability to turn down the amps right on the unit. I personally use a now discontinued Gen 1 Tesla UMC and a Tesla Tap adapter for my Tesla and Zero motorcycle travels because it's so compact. The one downside of that setup is that I can't turn down the amps at sketchy outlets with the Zero. Obviously the Tesla lets you turn it down on the car's screen.

[peterwright]

Thanks for the review. I ordered one today to use both at home and on the road with the EV6 I leased at the end of May.

[rod]

Being retired and many days my current vehicle never leaves the driveway I will purchase a level 1 charger. Highly recommended is the ClipperCreek PCS15, 12 amps, 3 yr warranty, UL certified, 5-15 plug and waterproof for $400.

[FreedomToRoam]

Great review, especially w the humor, too 😁

[Gaffa]

There is a YouTuber I follow, Outback Tesla, who lives with his Tesla over 1000km from the nearest DC charger that swears by this product. In his case it’s the JuiceBooster II. I love seeing him gain access to sporting grounds, mechanics workshops, pubs, etc on his travels through Northern Territory and Western Australia to get his charge.

[stevenredisch]

OMG, you are very informative and funny at the same time. Enjoy your reviews, keep it up.

[keithwillis]

Just as you clicked your fingers for the transition to the workshop YouTube served up an ad for a Jaguar PHEV. Oh the irony. 😂

[grizzlyrizzo]

That's a nice setup for those that need that grade of kit.

[chidorirasenganz]

I currently use the Lectron lvl 1 charger @16 amps and that’s been enough for my needs. I get a third of a charge in 12 hrs (3% an hour) and daily driving is under 10% for me.

[basementstudio]

Just so you know, Polestar gives you a charging unit with multiple plugs included with the car.

[jamesuthmann]

No, Nikki, the phrase is "I ... don't have a tank -- *yet*". ( PS, love the t-shirt. )

[dr.oliebol]

I love that I live somewhere where 3 phase is standard in every home and can charge with 11kW.

[AlexVenz]

Considering that a new Jesla mobile connector bundle (Tesla gen. 2 mobile connector with a J1772 handle) from QC Charge is about $600, the price of this EVSE isn't that bad especially if it's as well made as it looks.

[Gabriankle]

This is one I just happened to see on Amazon and I had a hard being convinced they were a legitimate company, but I'd get one now if I had an extra $700.
Excellent feature set.

[charlesmotejr]

Purchased for '23 VW ID.4 Chattanooga Model for the same price as the far inferior VW portable charger (which is not included with the ID.4). Connecting to USA NEMA TT-30 RV 125V 30 amp outlet. Amazing construction quality. Worked instantly, charged from 44% to 80% in 12 hours. Now I need to go find out how to get the extension cables. Once I get a 50 amp breaker and NEMA 14-50 outlet this should do 5% battery to 80% in the same time. No reason to look at any other charger for home and portable use unless you need to have the charger on a network or to control on remote (which I wanted to avoid.) I've read it's the only UL certified portable charger in the market - don't know if that's true but it is UL certified. We'll see if the ID.4 is built to the same quality standard as this charger!

[EdwardGarrenMFT]

A great review. I did chuckle to myself a little bit because in terms of preformance, the FREE charger that comes with all the Chevy Bolts (including my 2022 EUV which you basically trashed in your review with a lot of subjective opining) is basically the same charger (in terms of plug options, long cord, and 220 volt amperage.
I am looking forward to another more detailed review of the EUV that is done from the POV of what the car IS, instead of what it wasn't based on your opinions of what you wanted it to be. Blessings, Ed