Sunjack Solar Charger Review: Old vs New Hands-On


Several years in the past, my curiosity was piqued once I got here across a portable solar panel and charger unit made by SunJack. I obtained the unit, used the heck out of it, and nonetheless own it to today. 

More just lately I had the chance to check out a more recent mannequin by SunJack. It is a 25W moveable photo voltaic panel unit with a couple of upgrades within the design. Considering what is the cost I like my previous mannequin I used to be very excited to do that product out! Let’s get proper into it by beginning with what the brand new mannequin has to supply.  

Sunjack Solar Charger Technical Specifications

The following data was obtained instantly from the SunJack web site. 

Solar Panel 

The panels are constituted of mono-crystalline and supply 25W of energy.

Voltage

On the again of the panel are two 5V/2A USB ports.

Battery

There are two 10,000mAh lithium-polymer batteries with a USB-C and Quick Charge 3.0.

Dimensions 

When folded up the unit measures in at 12.5” x 8” x 1.2” (31.8cm x 20.3cm x 3cm)

When the unit is unfolded it measure in at 24.5” x 12.5” x 1” (62.2cm x 31.8cm x 2.5cm) 

Weight 

This moveable unit weighs in at 3.Zero lbs/1.four kg which incorporates the load of the batteries. 

What’s Included 

  • 25-Watt moveable photo voltaic charger with twin 2 amp USB output ports 
  • 2 SunJack Qualcomm 3.0 Quick Charge Battery Packs 
  • 2 SunJack Fast-Charge Cables 
  • 2 SunJack Carabiners 

Hands On Review

After opening the container, I used to be shocked by the smooth design of the 25W unit. It is made up of three folding panels with a mesh zippered pocket positioned on the again of the final panel. 

The USB ports, cables, and batteries are all housed throughout the mesh pocket that may be accessed by two totally different zippers. Also, on this compartment are two nylon straps for holding the 2 batteries secured. 

Each panel is encased in a tough plastic body with the outside being easy and the inside being considerably tough. The exterior of the unit is all black whereas the perimeter of the within panels is shiny yellow. 

Using the Panels 

There are two ways in which the panels can be utilized. The first approach is to unfold the panels and easily lay them out within the daylight to cost the batteries. 

The second approach is to make use of the panels whereas on the transfer. On the corners of the body at every finish, there are two holes reduce out from which the panel might be hung. This might be completed with cordage or by utilizing the carabiners offered by SunJack. 

This is a good possibility for hikers, campers, or anybody who needs to maintain charging whereas shifting from place to put. 

Carrying the Panels 

When the unit is folded up it’s quite streamlined however the panels don’t lay utterly flat. Where the body overlaps there’s a little bit of a spot.

Right now, the hole is kind of giant on one facet however that’s as a result of the unit is new. With my hand, I used to be capable of press this part down and compress the hole, which might permit it to suit into tighter areas. 

But i’d be cautious doing this as over time a crease could develop right here. I worry that this might weaken the fabric at that time and trigger issues. However, that is utterly unfounded in the meanwhile and is simply me considering by way of my future use of the product. 

For the time being, I’ll do my greatest to pack the panels as they got here to me and keep away from squishing them between different gear. Having mentioned that, the folded panels simply match inside my bag and may even slid below a automobile seat for handy storage.   

Charging My Phone 

Okay, now it’s time for what this product is all about, energy. At the time of this take a look at, my cellphone battery was at 58% energy. 

I eliminated one of many battery backs from the unit and laid it on my espresso desk. After urgent the facility indicator button, I noticed that three out of the 4 blue lights had been lit up.

I then took the USB charging cable for my cellphone and hooked it as much as the battery. I began a stopwatch after which hooked my cellphone to the charging cable. Below are the outcomes.

Beginning Charge 58%
Final Charge 100%
Time to Charge 108min 24 seconds
Break Down (roughly) 1 min 41 secs per 1% cost

I selected to not do a timed take a look at with the direct charging methodology. This is as a result of the best use of time of direct charging goes to rely on a couple of issues. First, the panels have to be in direct daylight, which might not be an issue, to acquire essentially the most correct outcomes. 

Secondly, the efficiency of solar panels can be depending on location. Some areas obtain extra daylight than others and that could be a parameter I can not simply change. So, direct charging could also be quicker for some individuals over others. 

However, I did instantly hook my cellphone as much as the unit and watched it steadily cost.   

Charging Options

This moveable unit has the flexibility to cost 4 separate units without delay. Two units might be plugged instantly into the USB charging ports on the panels and one gadget might be plugged into every battery, respectively.

It must be famous that the units plugged into the battery packs are going to cost the quickest whereas the units plugged instantly into the panels will cost with various best use of time.

Additionally, each batteries should not have to be plugged into the panels to cost. One battery might be eliminated and used to cost a tool whereas the opposite battery stays hooked as much as the unit to proceed to cost.


Pros and Cons 

Pros 

  • Durable building
  • Renewable energy supply 
  • Simple to make use of 
  • Two batteries for charging a number of units 
  • Direct cost functionality
  • Lightweight 
  • Can be hung up for charging whereas on the transfer 
  • If there may be daylight, units might be charged wherever! 

Cons 

  • Panels don’t lay flat when folded

Common Questions

Q: Do the panels solely cost in direct daylight?

A: No. The panels will cost the battery pack even when they’re arrange behind glass equivalent to a window. i’ve completed this loads in my dwelling or by laying the panel out on the dashboard of my car. However, doing so will cut back the best use of time of the panels and enhance the quantity of charging time. 

Q: Can the panels be charged on cloudy days?

A: Yes. The panels nonetheless work even in unfavorable situations if there may be sufficient mild out there. i’ve been capable of cost the batteries below a thick blanket of clouds in addition to some lowlight situations. But identical to the earlier reply, it will enhance the quantity of charging time.  


From Old to New Sunjack: Comparison

I said firstly of the article that I had a SunJack unit from multiple years in the past. That unit continues to be working sturdy and that I proceed to make use of it. But how does it examine to the brand new mannequin?

Make certain to take a look at my 4-year review of the Sunjack.

Unfortunately, I feel it could be a mistake to match the 2 items what place energy is anxious.

The older mannequin that i’ve is a 15W unit whereas the brand new mannequin is a 25W unit. Plus, the battery pack and panels within the 15W unit are upwards of 5 years previous at this level, so decreased best use of time is to be anticipated.

However, there are some variations between them. 

  • The previous mannequin has 4 panels whereas the brand new mannequin has three
  • The previous mannequin has a delicate case whereas the brand new mannequin has a tough case 
  • The previous mannequin has extra attachment points for hanging the panels 
  • The previous mannequin has a Velcro flap for holding the folded panels secured

Verdict 

I’m an enormous fan of other power sources and whereas i’ve a love-hate relationship with know-how, I perceive that we now take it in all places. 

I feel the 25W moveable photo voltaic panel unit by SunJack is a good product. It can be nice for just about anybody to own. I skilled multiple energy outages this final yr and holding my cellphone charged would have been an actual downside if I didn’t have a SunJack charger. 

But don’t forget hunters, fisherman, hikers, campers, boaters, bicyclists, and different out of doors adventurers. A transportable photo voltaic charging unit is an excellent possibility for these individuals to maintain security units and telephones charged when a wall outlet shouldn’t be round.  

i’ve been extremely pleased with my older 15W moveable photo voltaic panels as they’ve carried out admirably. With the brand new mannequin, I feel SunJack hit one other one out of the park and that I stay up for utilizing it simply as much.

Thanks for studying! 

Have you ever used any SunJack merchandise? If so, pontificate within the remark part beneath and lets us know!



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