It can connect unlimited units in parallel. A single unit has 1100w power and 1002wh capacity, and the power can be doubled to supply power for high-power electrical equipment through parallel connection. The HTE055 outdoor power supply can be charged with the solar panel and can supply power for 14 devices at the same time. The power supply is compatible with 99% of common electrical appliances and is suitable for various outdoor environments from -60 degrees Celcius to 40 degrees Celcius. It uses a 94V-0 fireproof shell, which is wear-resistant, drop-proof, anti-ultraviolet, and is resistant to wind and sand.