• Built-in Ammeter - The power from sun rays is displayed. See the value in Amps of your 28W solar charger for optimal charging for your devices, based on sunlight intensity, angle, and cables used

  • Exclusive SmartIC Technology - With the built-in intelligence chip, our solar phone charger can detects your device then deliver its fastest possible charging speed

  • High Efficiency - SunPower Solar Panels with high solar conversion efficiency by up to 24%

  • Special PET Polymer Surface - IPX4 waterproof PET polymer fabric protects your solar panel and your devices from occasional rain or wet fog

  • Easy to use - Compact size (11.1 × 6.3× 1.3in folded) and lightweight (21.0 oz) design, includes 4 clip hoo #333e45 ks





Outdoor Mobile Charge

SolarPowa 28 is a portable solar charger designed for the outdoors, it has unique features that make it more versatile and durable.

Smart Charging Technology

With the built-in SmartIC intelligence chip, our solar phone charger can detects your device then deliver its fastest possible charging speed(single usb port up to 5V/2.4A Max, dual USB ports up to 4A Max overall). Dual-port applys to all the 5V Android and Apple devices.

Built-in Ammeter

The power received from sun rays is displayed on the little screen. Stronger and more rugged than any other on the market.

High Efficiency

Designed with 4pcs SunPower solar panels that makes the solar power conversion rate up to 24%. If clouds blocking the sun, this solar charger can detect intelligently the sunlight and restart to charge your electronic in 30s when there are enough sunlight.

Water & Dust Resistant

This special PET polymer surface protects it from occasional rain or wet Fog and all the ports are covered by a cloth flap and rubber cover to protect them from dust or water damage.

Easy to Carry

BigBlue foldable solar charger panel bag is small and light, and it comes with 4 carabiners that makes it easy to carry for any activities such as camping, climbing, fishing etc.

The Perfect Companion for Adventures

Taking BigBlue solar charger on the go with you! Follow the sun, power your life.

In The Box

28W Solar Panel Charger*1

Carabiner* 4

USB A-to- Type-C Cable*1

User Manual*1

Warranty Card*1

User Manual

Is it waterproof?

The SunPower panel part is IPX4 waterproof and other parts are not waterproof,  please do not immerse it in water.

Are the solar panels themselves flexible, or are they hard glass or plexiglass?

The solar panels are four, the entire item can be folded (would get the same shape of a magazine when folded) but the SunPower solar panels themselves can't be bended.

Can I connect multiple panel packs to generate more solar power?

This solar charger can't be connected for several pieces.

Does below freezing temperature affect the charger and the device?

Of course, after our actual test this 28W solar charger can be used at -10℃~72℃.

Can this be used to charge a power bank? What portable devices can I charge?

You can use it to charge the 5V power bank in the direct sunlight when there are a power cut or charge your cellphone, ipad directly, but this solar charger can't charge the iPad Pro and laptops.

Can this charge a power station?

This charger can't charge power station.


The New Arrival CellPowa 2500 is coming, welcome to join the CellPowa 2500 Facebook group to get more informations!

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