5v Ups 18650 Battery Charging Shield Arduino Battery Shield Nodemcu Battery Shield voltage regulator IC Hex Width(A): 5mm/0

Hex Width(A): 5mm/0

and 18 kHz (User selectable) Output Frequency 50Hz (fixed) Operating Temperature 0°C ~ 55°C Operating Mode Unipolar

the driver output current is automatically reduced to the rated output current50%

Connector A:  USB male

which means they can be stored for a long time without losing their charge

5v Ups 18650 Battery Charging Shield Arduino Battery Shield Nodemcu Battery Shield voltage regulator IC Hex Width(A): 5mm/0The 5V UPS Battery Charging Shield is a powerful and essential component for powering your projects. This versatile shield offers uninterrupted power supply, battery protection, and easy integration, making it ideal for various applications. Key Features: 18650 Battery Support: Power your projects using rechargeable batteries. Uninterrupted Power Supply: Provides backup power during outages. Multiple Protections: Safeguards your devices and battery.