Solárny panel RealPower SP-22E 22,5 W USB výstup 5 V 3 A

The RealPower SP-22E 22.5 W solar panel provides portable solar charging with a built-in 5 V USB output capable of delivering up to 3 A. Designed for compact outdoor use, the panel converts sunlight into usable power for USB devices while offering IPX5 water resistance for protection against splashes and light rain. Its rated power is 22.5 W and the maximum output voltage is 5 V, making it compatible with a wide range of smartphones, power banks and small USB electronics.

Advantages

The RealPower SP-22E balances power and portability: 22.5 W rated output in a compact form factor allows for easy transport and setup. The integrated 5 V USB output with up to 3 A current supports direct charging of many USB devices without additional adapters. An IPX5 water resistance rating increases reliability during outdoor use by protecting against splashes and light rain. The panel’s efficient solar conversion and straightforward USB interface simplify off-grid charging scenarios.

Suitable for (tasks / use cases)

• Charging smartphones, tablets and other USB-powered devices while camping or traveling
• Maintaining charge in portable power banks and small battery packs during outdoor activities
• Providing auxiliary power for GPS units, action cameras and portable lights
• Temporary power supply for fieldwork, remote monitoring and emergency preparedness

Key specifications

• Rated power: 22.5 W
• Maximum output voltage: 5 V
• USB output current: up to 3 A
• Ingress protection: IPX5 (splash-resistant)
• Form factor: compact portable panel suitable for outdoor placement

How to use

Place the RealPower SP-22E in direct sunlight with the panel surface angled toward the sun for optimal performance. Connect a USB cable from the panel’s 5 V USB output to the device you wish to charge. Monitor device charging status via the device indicators; disconnect when charging is complete or when sunlight is insufficient. For best results, orient and reposition the panel periodically to follow sun movement and reduce shading from objects.

Recommendations

Operate the panel on a stable surface and avoid prolonged exposure to heavy rain or submersion despite its IPX5 splash resistance. Use high-quality USB cables for reliable power transfer and avoid exposing the panel to shadows, dirt or debris that can reduce output. When not in use, store the panel in a dry, ventilated place to prolong its service life.