Black Backpack Solar Charger

21w poly crystalline flexible solar panel.
USB Type C and USB port.
High efficiency crystalline panel. Better than mono crystalline.
23% efficiency compared to the 18% efficiency of mono crystalline.

Our lab testing resulted in 38% efficiency on clear days! That's 12% more than leading brands such as Goal Zero's Nomad 20 and Big Blue 28

Features:
1. USB Type C and USB Port
2. High Efficiency Crystalline Panel
3. 23% Conversion Efficiency
4. Portable and Lightweight
5. Foldable for Easy Storage

Tech Specs:
Brand: Mach 1 Lithium
Color: Black
Type: 21W

Replacement Part Numbers:
Goal Zero's Nomad 20
Big Blue 28

Package Included:
1 x Backpack Solar Charger
1 x Charger Cord

Notes:
1. Fully charge before first use
2. Store dry place with moderate temperatures
3. Do not drop or smash
4. Do not put the into water or fire
5. Keep away from children

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At Mach 1 we focus on rigorous test and design to give you the most quality products every time. Our motto is tested and trusted. You can count on Mach 1 to deliver high quality products at a good price.