xcluma 12V MPPT Solar Panel Controller CN3722 3S Lithium Li-ion 18650 Battery Charge Controller Module Electronic Components Electronic Hobby Kit

High-end technology MPPT solar maximum power tracking charge management chip, with trickle, constant current, constant voltage charging management. • The use of imported high-frequency low-conduction resistance double MOS tube, high current diode, high efficiency flat high-power inductors, alloy current detection resistor. • The large aluminium cooling fin at the bottom, ensure it keep stability working at the high current. • High-speed and efficient way of charging, heat small, fast. • Dual status indicator light, no battery when the red-light flashes green light is always on, charging red light, full of self-stop while the green light.