Charging module for two series-connected (2S) batteries 2 A with Type-C interface (8.4 V)

This specialized charging module is designed for maintaining and recharging a pack of two lithium-ion or lithium-polymer cells connected in series (2S configuration). The board accepts a DC input voltage of 3 to 6 V through a convenient USB Type-C port and delivers a charging voltage of 8.4 V at a current of 1.10 A. The board features LED indicators (CR and OK) for visual monitoring of the charging process, as well as reliable contact pads for connecting power and the battery pack. Product type: 2S Li-ion battery charger board / charging module for lithium-ion and lithium-polymer batteries / 2S charge controller. Specifications: DC input voltage 3–6 V (input current 2 A), charging voltage 8.4 V, charging current 1.10 A (version 2S_2A), USB Type-C interface, LED status indicators (OK, CR). Purpose: safe and efficient charging of a pack of two 2S batteries connected in series from power sources with a Type-C connector.