CN3791 MPPT solar panel (9v version) regulator controller – 1 cell lithium battery charging 3.7V 4.2V

Product Characteristics:

Solar Maximum Power Point Tracking (MPPT) for single cell lithium battery :

Input Voltage: 9v corresponding to solar panel working voltage (nominal voltage of the solar panel: 9v)

Output Voltage: nominal 3.7v full cut-off voltage 4.2v and complete charge management for single cell/ string lithium battery up to 2A