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It is essential for hikers/campers to have a form of communication in case…
It is essential for hikers/campers to have a form of communication in case of an emergency
Requirements
Lightweight
Relatively small
Easy to understand and use
High capacity (at least as much as the device that you want to charge)
Durable
Existing products
Solar powered portable charger
Advantages
It uses a renewable source of energy
It is small
It is slick so it would be easy to pack
It has multiple USB ports
It has a large capacity of 26800 mAh
It displays how much charge is left to use
Disadvantages
It is heavy
It is weather dependant
Large solar panels
Advantages
Generates up to 12 watts
Can charge an array of different devices
It is foldable
Durable
Has a pocket for your device when charging
It has a high capacity
Disadvantages
It is weather dependant
Anker USB charged power bank
Advantages
It is sleek meaning that it would be easy to pack
It is small
It is simple
It displays how much power is left
It has a high capacity of 20000 mAh
It charges at high speed
Disadvantages
It is heavy (12.5 oz)
They use lithium batteries which aren't very environmentally friendly
