The T500 power supply and the DC7909-to-MC4 cable from Bluetti are essential accessories for the efficient use of the Bluetti EP500Pro and AC300 power stations. This set allows for simultaneous charging of the devices via two or three AC outlets, enhancing flexibility and user-friendliness. The power supply acts as an adapter, ensuring a reliable power supply, while the DC7909-to-MC4 cable provides an easy connection between the power station and other devices. Weighing only 300 grams, the accessory is lightweight and portable, making it ideal for use on the go or during outdoor activities. Made in China, this accessory offers a practical solution for anyone looking to make the most of their Bluetti power station. It is a valuable addition for those who rely on a dependable energy source.