Everyone’s raving about the AFERIY P210 because the price looks like a typo: $669 for a claimed 2048Wh, “8-hour fridge runtime,” sub‑2‑hour charging, and a 7‑year warranty. So I did what I always do—I investigated it for three weeks, because when a Chinese brand undercuts Jackery and EcoFlow by 50% while promising similar performance, something interesting is happening. This video is me cutting through the glossy specs and figuring out what’s real, what’s marketing, and what could bite you later. The battery tech actually checks out: LiFePO4 cells rated for 4,000+ cycles, and the capacity is legit. But under heavy load, independent testing shows about 78% efficiency, meaning your “2,000Wh” turns into roughly 1,600 usable watt-hours in real life—noticeably worse than the 85–90% you see from premium brands. The bigger red flag is voltage behavior: under max draw the inverter sags voltage below safe levels to stay within limits, and multiple users reported computers shutting down mid‑draw. Add in a non-functional Hong Kong phone number and AI-ish email support, and you’ve got the real verdict: not a scam, but aggressive pricing with predictable compromises—fine for camping and short outages, risky for expensive or mission-critical gear.