CN3767 12V MPPT Solar Charge Controller Module for 3S Lead-Acid batteries

CN3767 12V MPPT Solar Charge Controller Module for 3S Lead-Acid Batteries is designed for efficient solar charging of 12V lead-acid battery systems using Maximum Power Point Tracking (MPPT) technology. It supports trickle charge, constant current charging, overcharge protection, and float charging modes, making it ideal for solar power systems, UPS applications, backup power solutions, and standalone battery chargers.

CN3767 is a dedicated 12V lead-acid battery charger with MPPT support, charge current up to 4A, 14.8V overcharge regulation, 13.55V float charging, and 300kHz PWM switching frequency.

Features:

1. MPPT Solar Charging Technology
2. Designed for 12V Lead-Acid Batteries
3. Supports 3S Lead-Acid Battery Systems
4. Up to 4A Charging Current
5. Trickle Charge Function for Deeply Discharged Batteries
6. Constant Current and Constant Voltage Charging
7. Automatic Float Charging Mode
8. Automatic Recharge Function
9. Battery Overvoltage Protection
10. Undervoltage Lockout Protection
11. Charging Status Indicators
12. High Efficiency PWM Buck Charging Architecture
13. Solar Panel Compatible Design

Specifications:

Parameter	Value
Product Type	MPPT Solar Charge Controller Module
Charging IC	CN3767
Battery Type	12V Lead-Acid Battery
Battery Configuration	3S Lead-Acid
Input Voltage Range	6.6V – 30V
Recommended Solar Input	15V – 25V
Maximum Charge Current	4A
Charging Method	MPPT PWM Charging
Overcharge Voltage	14.8V (Typical)
Float Charge Voltage	13.55V (Typical)
Recharge Threshold	83.95% of Overcharge Voltage
Trickle Charge Current	17.5% of Set Charge Current
MPPT Reference Voltage	1.205V
Switching Frequency	300kHz
Sleep Mode	Supported
Status Indication	Charging / Float Charge
Protection Features	Overvoltage Protection, Undervoltage Lockout
Operating Temperature	-40°C to +85°C

Package Includes:

1 x CN3767 12V MPPT Solar Charge Controller Module for 3S Lead-Acid Batteries