SUNJACK – World’s Most Powerful Solar Charger

We realize that driving a vintage vehicle in the modern era can offer a variety of technical challenges for even the most savvy techie. How do you keep your smartphones and electronics at full power when you probably don't even have a cigarette lighter to adapt your gadgets to? A huge solution in our eyes is in the form of free solar energy on the go. We hit up the good folks at SunJack to see what they had to offer and they sent the Bus Junkies a great package representing their awesome product line for us to demo and give an honest review including the amazing SunJack solar panel.

With these hi-tech panels you can benefit from wall outlet charging speeds, anywhere. Claiming to be powerful enough to fully charge most phones in 90 minutes and hold enough energy for up to 8 smartphones after just 5 hours of sunlight we had to try it to believe it! Charge your phones, tablets, GPS, GoPro, Jambox, lights, and more. With SunJack as your personal power companion, simply plug in and power up anything you need for your mobile lifestyle. Let's find out more.

sunjack solar panels
Each SunJack solar panel comes with battery pack that gives you power to charge your devices even when the sun isn’t shining. If you have your own portable battery, you can also use with the SunJack solar panel, but our battery is optimized for maximum charging speed from the SunJackThe battery can also charge from any standard micro-USB plug. This is useful if you’re going on a trip and want to have maximum charge with no down-time. The battery will reach a full charge in about 5 hours.

A standard Apple wall charger is 5 Watts, and the large plug is 12 Watts. At 14 and 20 Watts, The SunJack is more powerful than both of the standard Apple chargers. According to SunJack, you want maximum solar power because solar panel are usually only rated for direct sunlight. That means if it’s cloudy, your puny 5 Watt solar panel isn’t going to provide enough of a charge, but these bad boy SunJack Solar Panels at 14 and 20 Watts will still have plenty of juice to spare!

Power Your Adventure

When it comes to solar, more Watts is equal to more power! A Watt indicates how much energy can be transferred in a given second. While most solar chargers on the market are less than 14 Watts and most 20 Watt solar panels are not portable, SunJack has it all figured out! Power and portability in one Bus Junkies approved package 😀 Remember this is peak sun rating so on a cloudy day you will get less sun and less power…try charging your phone on anything less than these 14 and 20 Watt SunJack panels and you might be left in the dark. Plus, once the battery has a charged it is safely and conveniently stored till you need the juice. As an added convenience the SunJack solar panel will charge most other types of USB batteries and power packs.

Each of the SunJack USB ports provide up to 2 Amps of output, so you can charge directly from the power of sunlight. If it becomes cloudy, simply switch over to the battery for continued charge. The USB solar panel ports provide a full 2 amps of output and the 20 Watt panel with 2 ports can fully charge 2 device at once directly from the sun without the battery! The SunJack battery is also able to take in a full 2 amp charge from the solar panels, and discharge the full 2 amps. This allows for very rapid energy storage and for maximum fast-charging of any device.

These aesthetically pleasing kits are tough as well. Strong enough to be dropped on concrete, stepped on,  jumped on, and even run over with a car (or Vw Bus)! Monocrystalline solar cells are used in the SunJack solar panel, and are the highest efficiency and longest lasting solar photovoltaics available. Monocrystalline solar panels are typically warrantied for 25 years due to their durability and reliability. SunJack has also gained the attention of press and media for its powerful charging speeds and humanitarian efforts by helping bring power to third world countries. We love this product and look forward to years of hard use on the road and at camp!!

Online: SunJack
Facebook: SunJack
Instagram: @sunjackpower


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14 replies
  1. Darren
    Darren says:

    I can think of many applications for this not only for my bug but at the ball fields or camping. This fantastic

  2. Niko
    Niko says:

    This item seems sooooo cool for my next family bus trip. 3 smartphones, cameras, etc, and no charger in my 78 camper
    I really like the fact that there's a battery so i can charge over night

  3. Geoffrey bishop
    Geoffrey bishop says:

    Sounds like an awesome product, it would be great to use in my 67VW bus. I am traveling with my family and this would come in handy!

  4. Don Bogue
    Don Bogue says:

    who doesnt want to camp totally off the grid?!? i am soo going to get me a solar panel for my bus, i spend way too much time in it not to have one!!

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