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The World's Smallest, Lightest & Most Efficient 14W Solar Charger.

Charge your phone and USB devices with Alto Solar's new, state-of-the-art, solar USB phone charger. Using the world's most efficient solar cells, SunPower monocrystalline, the Alto Solar Charger is a lightweight, foldable, portable solar panel that you can take anywhere.


Perfect for hiking, camping, boating, beach days, and emergency back-up power. You can also use it at home, work, the cottage, keep in your car, camper van, and backpack, and power your USB devices straight from the sun!


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FREE shipping in Canada & US only


☀ World's Most Efficient Solar Cells - SunPower mono-crystalline (up to 23%)

☀ Charges 2 USB Devices - phones, tablets, cameras, speakers (5V / 2A max per port)

☀ Advanced ETFE Lamination - maximizes efficiency and durability

☀ Superior to PET Solar Chargers - significantly longer lifespan (see below)

☀ Canadian company with over 15 years engineering experience in solar

☀ 100% Satisfaction Guaranteed


Advantages of ETFE vs PET Solar Panels

Flexible solar panels use a polymer material, ETFE or PET, to coat and protect the solar cells ("the lamination"). ETFE is widely accepted as being superior and more durable, whereas PET will peel, delaminate, and fail sooner.


• Superior Light Transmission = Greater Efficiency

• Waterproof & Highly Resistant to Sea Water and Acidic / Basic Solutions

• Withstands Greater Thermal and Mechanical Stress and Chemical Attack

• More Environmentally Friendly Production and Recycling

• Highly Flame Retardant & Suitable for Hot & Cold Climates

• Self-cleaning "Non-Stick" Surface



Output Power (Pmax): 14 Watt

Output Voltage (Vmp): 5 VDC

Output Current (Imp): 2.8 A (max 2 A per port)

Output Ports: 2 x USB

Lamination coating: ETFE (more efficient and durable than PET)

Material: ETFE (lamination), EVA and Fiberglass (back sheet)

Dimensions (folded): 170 x 300 x 20 mm

Dimensions (unfolded): 340 x 300 x 17 mm

Weight: 0.365 kg

Includes two USB ports and four reinforced eyelets to secure the solar panel to your mount of choice.

Solar USB Phone Charger

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