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The Gooloo Discovery 300 PRO is a 230Wh portable power station designed for light electronics and emergency backup. It features a 300W continuous output with a 600W surge capacity and includes a built-in MPPT controller for solar charging. At $169.99 at Walmart as of November 7, 2026, it occupies the entry-level price point for compact solar generators.
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Lowest price we've seen: $169.99 on Nov 7 at Walmart. Tracked across 1 store since Nov 7.
While the port selection is appreciated, the actual power delivery often falls short of expectations.
The GOOLOO Discovery 300 PRO is a versatile and powerful portable power station designed to meet your diverse power needs. With a battery capacity of 230Wh and a maximum output of 300W (peak 600W), it can efficiently power a wide range of devices and appliances. This power station features multiple output options, including 2 AC outlets, 2 USB-A ports, 1 DC output, and a USB-C PD port, providing flexible charging solutions for smartphones, tablets, laptops, drones, mini-fridges, and more. It supports various charging methods such as AC wall charger, car charger, solar panel, and USB-C PD, making it convenient for you to keep it fully charged wherever you are. The built-in MPPT controller optimizes solar charging efficiency, and the LED light with three modes adds extra functionality in dark environments. Its compact and portable design, along with comprehensive safety protections like temperature, overcurrent, and short-circuit protection, makes it an ideal power solution for outdoor activities, emergencies, and daily use.
