The built-in 18W 500lm high-brightness LED light on the 1000W battery generator supports 20-30 hrs of illumination and range reaches 50-60 square meters. 4 modes of low, medium, high brightness and SOS can be switched quickly. Very suitable for RV camping, cabin travel, off-road, off-grid trips or hurricane emergency life blackouts.It can automatically identify the rated charging power of your electronic devices , and charge them safely and directly without an adapter. provides sufficient power as a CPAP battery backup power supply with its 1250Wh(1000W rated power ) capacity. CPAP(15W) can be used stably for 50hrs with the bundled DC-DC converter. And it only weighs 16.28lbs, equipped with solid handle, easy to carry wherever you go.