This charging discharge module efficiently handles Type C USB 5V 2A charging and discharging for single cell 18650 lithium batteries with high accuracy voltages control and protections Additionally, it discharging while charging capability, pre charging for low voltages batteries, and user installable USB A base option for enhanced flexibility in applications features include a type c usb, precise charging voltages ( ±0.5%), and for external operate to manage power display and output Ideal for enthusiasts, electronics hobbyists, and professional involved in battery powered projects, repairs requiring power management Perfect for scenarios like portable gadgets,, or electronic setups where safe battery charging, discharging, and automatic functions like low current shutdown or voltages based cycle restarts are essential, Manufacturer: FHGSPQWM