Battery Capacity: Around 54,600 mAh (≈ 190 – 200 Wh), which stores enough power to charge phones, tablets, laptops, and other low-to-medium power devices. 
Output Power: Typically 150 W AC continuous, with surge capability (short bursts up to ~300 W in some models) — enough for laptops, LED lamps, routers, fans, and similar electronics.