Now that solar charging is no longer a novel feature, even a variety of portable solar chargers have come to market. The Solartab that we are introducing today is such a product. However, people are always worried about the efficiency of solar charging. Is Solartab able to rely on the sun to do the job of mobile power? Take a look at the evaluation:
Design & Connection
As its name implies, holding the Solartab is like holding an 11-inch tablet. The magnetic protective cover and the SmartCover are exactly the same. It weighs 1.2 kg and measures 246 x 193 x 9 mm. Solartab has an aluminum alloy case and glass front, which feels good. Its interior is a 13000mAh lithium-ion battery and the top is a 5W monocrystalline silicon solar panel. Solartab is very thin, you can easily put it in the bag or in your hand.
Overall, Solartab gives a very good first impression. Its features, hardware, and compact design make it an attractive mobile power option. Solartab is not the first product to combine solar technology with USB charging, but it is one of the few that has seen efficiency very seriously. For the most efficient use of sunlight, solar panels need to be as vertical as possible to the direction of sunlight. At this point, the Solartab's protective cover can act as a multi-level stand, allowing you to find the most suitable angle of inclination to face the sun.
Solartab's protective cover is not removable. It may not be the thickest, strongest, and the best quality, but it is enough to ensure that the solar panel is clean. As long as you use it carefully, it is still very durable. The protective cover is slightly larger than the panel itself, which also protects the Solartab aluminum frame. If you accidentally drop it, it generally does not have much problem, but it is recommended to use it carefully. The outside of the protective cover is made of relatively smooth material, but it still has a little friction. When you don't use Solartab, a rubber band on the cover ensures no gaps.
Although Solartab is thin, it has enough weight to stay on the plane steadily. Its adjustable angle range is 37° to 81°, which is enough to get a good sun in various environments.
Solartab has a pair of USB ports at the bottom of the device, and the other end is a micro-USB port. Each of the three interfaces is equipped with an LED that flashes to indicate current flow in or out.
On the other side of the micro-USB is a power button and four LED lights, the latter being used to indicate the remaining power. At the opposite end of the power button is a white LED, which flashes to indicate that Solartab is charging solar energy.
Battery performance
Solartab's total output is 5W/2.1A, enough to charge a tablet or two smart phones at a good speed. Both USB output ports have automatic identification, as long as the access device can start charging immediately. After the charge is complete, Solartab automatically closes that interface and the corresponding LED light. However, if you are outside, the sun will make the LED light tips become unrecognizable.
Solartab's 13,000mAh power is sufficient to meet the vast majority of demand. Its micro-USB port provides Solarartab with 5W/1.5A input. If you use traditional charging methods, it takes about 10 hours to fully fill it. Traditional charging and solar charging can be performed simultaneously. If full of electricity, the solar panel circuit will automatically cut off.
By charging a Lenovo S8-50 Tablet PC (5700mAh), it can be concluded that the effective power of Solartab is around 11115mAh, which is equivalent to an effective output rate of 85.5%. This is a very good result. With so much power available, you can charge Samsung Galaxy Note 5 3.4 times and iPhone 6s 6.5 times.
Solar experience
The best part of Solartab is that its solar charging operation does not require human intervention and it will be brilliant as long as there is sunlight. This is not the case with some solar chargers. Once you suddenly have clouds covering the sun, you have to restart it when the sun reappears. The better the sunlight conditions, the more intense the LED indicator will flash. This is very good. Obsessive-compulsive disorder may spend a lot of time on the so-called "maximum efficiency."
After Solartab stayed in the sun for a few hours, the body became very hot, and there was a protective cover guard. It also performs well indoors, provided the window is sunny and the window glass is clean. After testing, in the finest weather, Solartab can provide about 20% of the electricity per hour for the Lenovo S8-50, which is about 1140mAh.
General comments
With its slim body and large capacity battery, Solartab is sufficient to meet your day-long power needs. If you have been outside and haven’t moved much, the solar charging capability has increased the amount of effective power in disguise. If you are looking for a solar energy charging method that is easy to use, Solartab is a good choice.
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