STT Solar Panel Black USB 4000mAh

STT Solar Panel Black USB 4000mAh

The STT Solar Panel Black USB 4000mAh is a compact portable solar panel with a built-in 4000 mAh battery and USB output for charging small devices on the go.

• 4000 mAh built-in battery provides enough power to charge a smartphone once or top up a tablet partially
• USB output enables direct charging of phones, power banks, and other USB-compatible devices without a wall outlet
• Black solar panel design absorbs sunlight efficiently and resists visible dirt and scratches
• Lightweight at 1.0 kg, easy to carry in a backpack or attach to a bike rack for outdoor use

What sets the STT Solar Panel Black USB 4000mAh apart

Unlike basic solar chargers that rely entirely on direct sunlight, the built-in 4000 mAh battery allows the panel to store energy and deliver it on demand. The black finish gives it a discreet, modern look that blends into outdoor gear rather than standing out.

Ideal for...

Hikers, cyclists, and anyone who needs a reliable backup power source away from wall outlets. The panel is well suited for weekend trips, camping excursions, or daily commutes where access to a power socket is limited.

Application of STT Solar Panel Black USB 4000mAh

1. Place the solar panel in direct sunlight with the USB cable connected to your device
2. The built-in battery begins charging automatically; use the stored power anytime, even after sunset
3. For best results, angle the panel toward the sun and keep it free of shadows and obstructions