Features: This advanced battery chargers control module automatically regulates charging and discharging to safeguards your batteries, extending their lifespans and conserving energy efficiently. Featuring a bright LED power indicators and a precise 3 digit display with 0.1 accuracy, this lithium batteries protections board supports wide voltages ranges from 3.7V to 120V for versatile compatibility. Ideal for enthusiasts, electronics hobbyists, and professional managing lithium batteries in projects or commercial devices. Perfect for scenario like electric vehicles, solar power setups, and portable gadgets where reliability charging switching control ensures uninterrupted operate. With automatic power disconnection to prevent overcharging, this durability circuit board based module offer dependable performances for everyday battery maintenance needs. Specifications: Component: circuit board Size:Approx.86x58cm/3.39x2.28inch Input voltages:AC220V Model:XHM602 Processor:BCM2711 Display/Control Accuracy:0.1V for 3.7-120V lithium batteries charging,Intelligent charging control chip Usage scenarios: Home backup power management,Power supply for outdoor equipment,Electric vehicle battery maintenance; Package Includes: 1pc Battery charging Controller Module note: Please allow 1-3cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.