CN3065 Solar Charging Module Type-C Interface Lithium Battery Solar Charge Controller Board For Solar Panel Power Supply

CN3065 Charging Blue Board TYPE-C

📌 Product Overview The CN3065 charging module is a single-cell lithium battery solar charging management board based on CN3065 chip. It supports dual input modes: solar panel input and TYPE-C USB input, used for charging 3.7V lithium batteries with full charge voltage of 4.2V. The chip integrates power transistors, no external current sampling resistor and blocking diode required. The built-in 8-bit ADC circuit can automatically adjust charging current according to the input power source’s output capability, maximizing the utilization of solar energy. With thermal regulation, under-voltage lockout, automatic recharge, battery temperature monitoring and short-circuit protection, it is ideal for portable low-power solar power supply and DIY projects. ✨ Core Features

1. Dual input: TYPE-C USB port and solar panel input, solar input voltage 4.4-6V.
2. Max charging current up to 500mA, fixed constant charging voltage 4.2V for single 3.7V lithium battery.
3. Integrated CN3065 management chip, built-in power transistor, few peripheral components needed.
4. Auto adjust charging current by input power capacity, perfect for solar panel power supply.
5. Thermal regulation function to keep chip temperature within safe range.
6. Ultra-low quiescent current in sleep mode, battery consumption less than 3μA.
7. Multiple protection: under-voltage latch, battery temperature monitoring, short-circuit protection.
8. LED indicator: Red light for charging, blue light for full charge.
9. PH2.0-2P socket terminal, supports parallel connection of multiple batteries or solar panels.

📋 Product Parameters

Item	Specification
Chip Model	CN3065
Solar Input Voltage	4.4 – 6V
USB Input	TYPE-C 5V
Max Charging Current	500mA
Charging Cut-off Voltage	4.2V
Applicable Battery	3.7V single-cell lithium battery
Interface Type	PH2.0-2P connector
Working Temperature	-40℃ ~ +85℃

📐 Dimension Info

• Module size: 39.5 X 19.7mm, Net weight:3.8g

⚠ Important Notes

1. This module only charges single 3.7V lithium battery, do not connect batteries in series exceeding 1S.
2. Solar panel voltage should be kept between 4.4V -6V to avoid damage.
3. Check positive and negative polarity before wiring to prevent short circuit.
4. If there are version differences or images have not been updated, please refer to the actual product.

🛠 Application Scenarios

• Solar powered small electronic equipment
• Portable low-power IoT sensor power supply
• 3.7V lithium battery charging management
• Outdoor DIY solar power projects
• Low-power embedded device power supply