Yx-X804 Battery Powered Automatic Management Module 12V 24V 36V 48V
Load Current: 10A. If you do not receive our reply within 48 hours, pls. If you are satisfied with our service, pls. When the power on main power source is back, it will switch to main power. 2, When it switches, there will be a temporary power failure for about less than 1 second.