12V MPPT Solar Panel Controller 3A Lithium Li-ion 18650 Battery Charging Module

12V MPPT Solar Panel Controller 3A Lithium Li-ion 18650 Battery Charging Module

This is a 12V MPPT Solar Panel Controller 3A Lithium Li-ion 18650 Battery Charging Module. The 12V MPPT Solar Panel Controller Imported high frequency low conduction internal resistance double MOS tube, high current diode, high efficiency flat high power inductor, alloy current sense resistor.

The 12V MPPT Solar Charge Controller uses CN3722 chip, which adopts the switching step-down mode DC-DC conversion to realize the maximum power point tracking function of photovoltaic cells. Its input voltage can reach up to 28V, which is very suitable for applications with large difference between input voltage and battery voltage.

Features

• High-end technology mppt solar maximum power tracking charge management chip, with trickle, constant current, constant voltage charge management.
• Imported high frequency low conduction internal resistance double MOS tube, high current diode, high efficiency flat high power inductor, alloy current sense resistor.
• Large aluminum heatsink at the bottom to ensure long-time stable operation at High current.
• High-speed and efficient charging method.
• Dual status indicator, red flashing green light when not connected to battery, red light when charging, full auto stop and green light.

Specifications

• Input voltage: Can be customized according to the nominal voltage of solar panel
• Output voltage: Nominal 3.7V full stop voltage 4.2V lithium battery charge management for single-string lithium battery
• Output current: Max constant current 3A
• Wiring method: Welding
• IN+ input positive, IN- input negative (SOLAR)
• BAT+ battery positive, BA- battery negative