$59.99 USD
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$-59.99 USD
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SKU: SLR-21WSCH
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Portable solar power for your phone, ready whenever the sun is out.
The Mach 1 21W foldable solar charger gives you a dependable way to keep your USB devices powered without an outlet in sight. Just unfold it, angle it toward the sun, and start charging — a lightweight, eco-friendly backup for travel, camping, or emergency situations.
Key Features
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21W solar output — efficient charging directly from sunlight
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Dual USB outputs — charge two devices at once
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5V/2A output — standard, safe charging speed for phones and small electronics
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Lightweight and foldable — just 1.23 lbs, folds to 11.81" x 6.69" x 1.57"
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No setup required — unfold, position toward the sun, and start charging
Specifications
| Specification |
Details |
| Function |
Solar Charger |
| Output Interface |
Dual USB |
| Panel Power |
21W |
| Output |
5V, 2A |
| Weight |
1.23 lbs |
| Folded Size |
11.81" x 6.69" x 1.57" |
| Unfolded Size |
27.56" x 11.81" |
| SKU |
SLR-21WSCH |
What's in the Box
- 1 x Emergency 21W Foldable Solar Panel Charger
FAQ
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What devices can I charge with this?
Any USB-chargeable device, including phones, portable speakers, and small electronics.
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Can I charge two devices at once?
Yes, it has dual USB outputs.
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How compact does it fold down?
11.81" x 6.69" x 1.57" folded, making it easy to pack for travel or emergencies.
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Does it need direct sunlight to work?
Yes, like all solar chargers, it performs best in direct, unobstructed sunlight.
You May Also Need
Need higher wattage or a backpack-integrated option? See the 40W Monocrystalline Folding Solar Panel or 21W Backpack Solar Charger, or browse Backpack Foldable Solar Chargers.
Why Buy from Mach 1 Lithium
Mach 1 Lithium builds portable power gear for real outdoor use — efficient solar cells, durable builds, and gear that keeps your devices charged wherever you go.
