A backpack with a solar battery is an indispensable invention for lovers of travel. A capacious backpack, as a rule, is made of durable, waterproof materials, and a portable energy source will allow you to charge your favorite gadget, even when you are far from civilization. The device is ideal for hiking, mountain walking, cycling trips and other exciting adventures in the fresh air.
What to look for when buying
When choosing a backpack with a solar battery, you should pay attention to several important points. The smartphone consumes approximately 10 watts when charging via the USB port. However, the panel power indicated by the manufacturer is only valid for sunlight directed at right angles and not obscured by clouds or other obstacles. This means that a solar battery with a declared power of 10 W actually produces much less energy, so it’s worth buying a device with a power reserve of 2-3 times: this is necessary for comfortable operation. It makes sense to buy a backpack with a solar battery with a power of less than 10 watts if you are going to charge something small, for example, an electronic watch.
There are solar panels with and without a built-in battery. In the first case, the panel first charges the battery, to which you can then connect any gadget. You should pay attention to the size of the solar panel: the smaller it is, the longer the battery will charge. Batteries without a battery only function on a sunny day and transmit energy directly to the gadget. It is impossible to accumulate a charge and use it later in this case.
It should also be noted that a lithium battery increases the cost of the device and reduces its service life to a couple of years. At the same time, the solar battery itself lasts much longer.
Backpacks Birksun
Birksun Levels solar-powered backpacks are very popular due to their convenient and convenient design. The backpack is made of cotton and polyester, is lightweight and has excellent wear resistance. The rigid back and wide straps make it as comfortable as possible. In a special compartment, a laptop with a diagonal of 17 inches freely fits, there is also a spacious compartment for personal items.
A large solar panel is located in the upper part, and inside is a compactly hidden battery with a capacity of 2400 mAh. The kit includes a USB cable and several adapters for the most popular smartphones, tablets and other devices. For the convenience of the user, the gadget can be placed in a backpack and charged right on the go. At this time, the battery will continue to receive energy from the solar panel.
SolarBag Backpacks
SolarBag SB-285 backpacks with a solar battery are manufactured in Hong Kong and compare favorably with competitors with additional features. The backpack is made of durable jacquard fabric, equipped with elastic straps and convenient fastenings. In addition to the 6 W solar panel located in the front upper part, a 2-liter water tank with a straw is integrated in the backpack. Thus, the traveler can quench his thirst and charge the gadget right on the road without stopping.
Removable solar panels
It’s not necessary to give up your favorite backpack for a portable energy source: you can buy a solar panel separately. On sale there are devices of various configurations, with different capacities and thoughtful design. The solar battery for the backpack is equipped with a reliable mount and additional accessories: adapters, adapters, batteries. This way, travel enthusiasts can purchase a kit that perfectly suits their needs.