The QASA SPG-500VA solar generator is a compact and versatile power station designed for small homes and off-grid use. It features a 300 W pure sine wave inverter, backed by a 70 Ah battery, giving you stable AC (220 V), DC (12 V), and USB (5 V) outputs. It supports dual charging via a 12 V DC port or AC input, and can also be paired with solar panels (recommended: 150–200 W, 18 V). According to a seller, it can power a 100 W load for up to 7 hours, 200 W for about 3.4 hours, or 300 W for roughly 1.7 hours. Etc
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