Solar 14500 Power Management Board
This solar power management module is designed for 6V~24V solar panel. It can charge the 3.7V Li battery through solar panel or USB connection, and provides 5V/1A regulated output.
The module features MPPT (Maximum Power Point Tracking) function and multi protection circuits, therefore, it is able to keep working with high-efficiency, stability, and safety. It is suited for solar powered, low-power IoT, and other environmental protection projects.
Quick Spec
- Solar panel input voltage (SOLAR IN): 6V~24V
- Micro USB input voltage (USB IN): 5V
- Pin header / USB output (USB OUT): 5V 1A
- Charging cutoff voltage: 4.2V ±1%
- Over discharging protection voltage: 2.9V ±1%
- Solar panel charge efficiency:: ~78%
- USB charge efficiency:: ~82%
- 3.7V battery boost output efficiency: ~86%
- Max quiescent current: <2mA
- Operating temperature: -40℃ ~ 85℃
Dimensions

Board Layout

- Solar panel charging input: charged by solar panel, DC-002 jack or screw terminal
- USB charging input: charged by USB connection, connect a 5V power adapter through the Micro USB port
- 5V/1A power output: provides regulated 5V/1A output, USB port or 2.54mm pin header
- Battery interfaces: for connecting 3.7V Li battery, PH2.0 connector or 14500 battery holder
- CS8501: USB power management chip, for USB charging and 5V/1A boost output
- CN3791: solar power management chip, for solar panel charging and buck input
- Li battery protection chip: Li battery over charge / over discharge protection
- Battery switch
- MPPTSET switch (bottom side):
- supported level: 6V/9V/12V/18V/24V
- select the level closed to input level to improve charging efficiency
- BOOT key
- Battery capacity indicators
- USB charging indicators:
- USB Charge: on when USB charging
- USB Done: on when the battery is full charged by USB
- Solar panel charging indicators:
- Solar Charge: on when solar panel charging
- Solar Done: on when the battery is full charged by solar panel
- Solar Warning: on when solar panel reverse connection
- Battery warning: on when battery reverse connection
- Power output indicator: 5V/1A output
Example Application

Resources
Shipping List
- 1 x Solar Power Management Board
Solar 14500 Power Management Board
- Brand: Waveshare
- Product Code: W16120
- Product Status : Active
Stock
Warehouse | Stock Status | Location |
---|---|---|
Centurion | In Stock | UH025 |
Stellenbosch | In Stock | J4000 |
We ship free of charge between branches to complete your order.
-
R158.00 (Inc Tax: R181.70)
Related Products
Solar Panel 3.5W 6V
Solar panel 3.5W 6V This is 6 Volt 3.5 Watt Monocrystalline PET Solar Cell. It is high quality and exquisite appearance. It is used in all kinds of high-grade electronic products such as solar c..
R132.00 (Inc Tax: R151.80)
Li-ion 14500 Battery 3.7V 800mAh
Li-ion 14500 Battery 3.7V 800mAh These are 14500 Li-ion rechargeable 3.7V 800mAh batteries. They discharge in a time of 2-5 Hour at a maximum of 1A. Quick Spec Model: 14500 Type: L..
R48.00 (Inc Tax: R55.20)
Li-ion 14500 Battery 3.7V 800mAh - Button Top
Li-ion 14500 Battery 3.7V 800mAh- Button Top These are 14500 Li-ion rechargeable 3.7V 800mAh batteries. They discharge in a time of 2-5 Hour at a maximum of 1A. After evaluating various 14500 battery ..
R48.00 (Inc Tax: R55.20)
Li-ion 14500 Battery 3.7V 1000mAh - Flat Top
Li-ion 14500 Battery 3.7V 1000mAh - Flat Top These are 14500 Li-ion rechargeable 3.7V 1000mAh batteries. They discharge in a time of 2-5 Hour at a maximum of 1A. After evaluating various 14500 battery..
R52.00 (Inc Tax: R59.80)
Wave Solar Power Management Board
Wave Solar Power Management Board The Wave Solar Power Management Board is a versatile module designed to efficiently manage power from 6V–24V solar panels or Type-C power sources. It charges 3.7V ..
R225.00 (Inc Tax: R258.75)