MPPT Solar Power Management Module (D) for 6V-24V Solar Panel

The MPPT Solar Power Management Module (D) is the perfect solution for projects requiring efficient power supply through a 6V to 24V solar panel. It can charge a 3.7V rechargeable lithium battery via the solar panel or a Type-C port. Additionally, it provides a stable 5V/3A output voltage, ideal for powering IoT devices or microcontroller boards like Raspberry Pi or Jetson Nano. With integrated MPPT technology, maximum energy yield from the solar panel is ensured. The module comes with multiple protection mechanisms such as overcharge, overheating, and reverse polarity protection, making it safe and reliable. Furthermore, multiple LEDs indicate the battery's charging status and the solar panel's operational status. Thanks to its compact size and versatile connectivity options, it is the ideal choice for sustainable solar-powered projects.

Recommended Accessories:

• 3x Li-Ion Battery 3.7V 3200mA NCR18650B 18650 with Flat Top
• 5.5V 1A Monocrystalline Solar Panel 6W with Stand
• 6V 0.83A Monocrystalline Solar Panel 5W

Features:

• The module supports MPPT technology to maximize the efficiency of the solar panel.
• It allows the battery to be charged via a solar panel or a Type-C port.
• The output voltage is a stable 5V at 3A, sufficient for many applications.
• Multiple protection circuits prevent overcharging, overheating, reverse polarity, and overcurrent.
• The module has LED indicators to display the charging status of the battery and solar panel.
• It supports solar modules with an input voltage of 6V to 24V.
• The circuit can be connected via DC connectors and screw terminals.

Application Examples:

• Ideal for solar-powered IoT projects that need continuous and reliable power supply.
• Suitable for controller systems of microcontrollers like Raspberry Pi or Arduino in remote areas.
• Perfect for smart solar lamps operating with minimal energy consumption.
• Can be used in agricultural automation to power sensors and monitoring systems.

Board:

1. Solar Panel Charging Input: charged via the solar panel through a DC-002 plug or a screw terminal, self-adapting input voltage
2. Type-C Charging Input: charged via a 5V power supply through the Type-C port or supplies 5V for external devices
3. Power Output: screw terminal: 5V/3A output
4. Battery Connections: for connecting a 3.7V rechargeable lithium battery via screw terminal or PH2.0 4P connector
5. SW6106: USB power management chip, for USB charging and 5V/3A boost output
6. CN3791: solar power management chip, for solar panel charging and buck converter input
7. XB8886A: protection against overcharging and over-discharging of the lithium battery
8. Battery Capacity Indicators: light up during the charging process or when the load is connected, and turn off after 30 seconds if no load is connected
9. Solar Panel Charging Indicators:
   • Charging: lights up when the solar panel is charging
   • Done: lights up when the battery is fully charged by the solar panel

Documentation:

• Waveshare Wiki

Technical Specifications

• Manufacturer: Waveshare
• Manufacturer SKU: 26362
• Input Voltage: 6V to 24V
• Output Voltage: 5V/3A
• MPPT Efficiency: solar panel max 78%, USB-C max 93%
• Input: UBS-C (PD Quick Charge), Solar In, Terminal Connector
• Output: UBS-C, Terminal Connector
• Battery Connection: JST, Terminal Connector
• Operating Temperature: -40°C to 85°C
• Dimensions: 45 x 40 x 11 mm
• Weight: 56g

Package Contents:

• 1x MPPT Solar Power Management Module (D) for 6V-24V Solar Panel
• 1x Triple 18650 Battery Holder (Parallel)