✔Excellent Material The power bank solar charger with high quality monocrystalline silicon solar panels can provide continuous power under strong outdoor light, and it has a longer service life (high conversion rate). ✔High Charging Efficiency: Solar Power Bank's charging efficiency can reach 88%, the discharge efficiency can reach 92%, and its power conversion rate can reach 85%. With a large capacity of 30000mAh, it can provide the device with long battery life. ✔ Nice Battery Backup: Compatible with Qi-enabled devices, the solar charger can charge at least 4 devices simultaneously. It is the perfect backup battery, a must-have for home, outdoors, and provides wireless charging power of up to 10W. ✔Various Uses There is a super powerful LED camping light on the back, the power bank of the portable charger has 31 high power lamp beads, 30W, which is equivalent to a T5 fluorescent lamp. ✔ OUTDOOR SUITABLE - Waterproof and drop proof, the solar phone charger features high-capacity power supply and sturdy housing. Its LED-based lighting technology will provide solid protection for your travels.