Again both weight and volume depend on what you will use the solar backpack for.
Hiking backpack with solar panels.
On short hikes it s okay to go for smaller and even slightly heavier ones.
Provides quick charge times a durable design and a roomy mesh pocket.
One of the best things about the eceen hiking solar backpack charger is that the solar panel is made with high efficiency solar cells from sunpower the best pv module brand in the market that reach up to 22 of electricity conversion.
It s definitely on the large side for a hiking solar panel weighing in at 25 9 lbs and measuring 27 x 22 inches from edge to edge.
Xtpower hiking solar backpack with removable 7 wall solar panel for smart phones tablets gps bluetooth and gopro devices in red and grey 3 8 out of 5 stars 6 79 99 79 99 free shipping by amazon.
Generally it s lighter yet larger for long hikes.
For a small battery pack with solar capabilities this is an impressive product.
Xtpower hiking solar backpack with removable 7 wall solar panel for smart phones tablets gps bluetooth and gopro devices in navy green 3 6 out of 5 stars 8 89 99 89 99 free shipping by amazon.
Having to carry plenty of food and water maybe even camping gear makes a bigger solar backpack a necessity.
It has a lightweight aluminum body and folds up into an easy to carry briefcase shape.