Product description: Solar power management module for 6V-24V solar panel - Waveshare 16120
Power management module designed for use with a solar panel ranging from 6 V to 24 V. It can be used to charge a 3.7 V lithium-ion battery through the solar panel or using an external source supplied via USB. The module is equipped with necessary protections that also ensure stability and high efficiency of operation. It is used to power systems with solar energy or in environmental projects.
Solar power management module for 6V-24V solar panel.
The manufacturer provides a product wiki page that contains a detailed user guideto make getting started with the power management module much easier.
Module with integrated electrolytic capacitor.
Special features of power management module
- Supports MPPT (Maximum Power Point Tracking) function, which maximizes the efficiency of the solar panel
- Supports battery charging via solar panel or microUSB connector
- Module designed for use with solar panel from 6 V to 24 V
- Built-in MPPT SET switch to improve charging efficiency
- Built-in high capacity aluminum electrolytic capacitor and SMD ceramic capacitor to reduce ripple and ensure charging stability
- LED indicators to monitor operating status
- Multiple protection features, including overcharge and undercharge protection and reverse polarity protection
Arrangement of components on the module
Solar panel charging input: Charged by solar panel, DC socket or screw terminal
2. USB charging input: Charging via USB connection, connect 5V power supply via microUSB port
3. Output power: USB Port: 5V/1A, Output Pinhead: 5V/1A or 3.3V/1A
4. cell slot: For connecting a 3.7V Li-Ion battery via PH2.0 connector or by directly plugging into 14500 socket
5. CS8501: USB power management chip, for charging via USB and 5 V / 1 A
6. CN3791: solar power management circuit, for solar panel charging and buck input
7. lithium battery protection circuit: over charge / over discharge protection
8 Battery switch
9. MPPTSET switch (bottom side): supported level: 6 V / 9 V / 12 V / 18 V / 24 V
10. BOOT button
Battery Capacity Indicators 12.
Indicators for USB charging:
USB Charge: lights when charging
USB Done: light when the cell is fully charged via USB
Solar panel charging indicators:
Solar Charge: lights up when charging
Solar Done: Lights up when the cell is fully charged by the solar panel
Solar Warning: lights up when the connection is reversed
14 Warning Battery Warning: lights up when the battery is connected in reverse
15. output power indicator: 5 V / 1A output
Arrangement of the elements on the management module.
Caution!
Do not place disposable batteries in the battery slot. Attempting to charge unsuitable cells, including disposable batteries, can result in serious consequences - including irreversible damage to the module and explosion.
Solar Power Manager from Waveshare.
Technical specifications
- Type: solar power management module for solar panel
- Solar panel input voltage (SOLAR IN): from 6 V to 24 V
- MicroUSB input voltage (USB IN): 5 V / 1 A
- Battery specifications: Lithium-ion battery 3.7 V 14500
- Output voltage: 5 V / 1 A, 3,3 V / 1 A
- Charging cut-off voltage: 4,2 V ± 1％
- Over-discharge protection voltage: 2,9 V ± 1 ％
- Solar panel charging efficiency: approximately 78%
- USB charging efficiency: approximately 82%
- 3.7V battery recharge output efficiency: approximately 86%
- Maximum resting current: < 2 mA
- Operating temperature: from -40°C to 85°C
- Module dimensions: 65.2 mm x 56.2 mm x 22.9 mm
