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.

W16120-001

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

W16120-005

Board Layout

W16120-004
  1. Solar panel charging input: charged by solar panel, DC-002 jack or screw terminal
  2. USB charging input: charged by USB connection, connect a 5V power adapter through the Micro USB port
  3. 5V/1A power output: provides regulated 5V/1A output, USB port or 2.54mm pin header
  4. Battery interfaces: for connecting 3.7V Li battery, PH2.0 connector or 14500 battery holder
  5. CS8501: USB power management chip, for USB charging and 5V/1A boost output
  6. CN3791: solar power management chip, for solar panel charging and buck input
  7. Li battery protection chip: Li battery over charge / over discharge protection
  8. Battery switch
  9. MPPTSET switch (bottom side):
    • supported level: 6V/9V/12V/18V/24V
    • select the level closed to input level to improve charging efficiency
  10. BOOT key
  11. Battery capacity indicators
  12. USB charging indicators:
    • USB Charge: on when USB charging
    • USB Done: on when the battery is full charged by USB
  13. 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
  14. Battery warning: on when battery reverse connection
  15. Power output indicator: 5V/1A output

Example Application

W16120-006

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 Y0095
    Bulk Location No Stock

    We ship free of charge between branches to complete your order.

  • R158.00 (Inc Tax: R181.70)


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Tags: solar, power, management, board, manage, mppt, iot