The calculator employs a dual power supply system, utilizing both a solar panel and a button battery. Solar power is the primary source, and when the solar power is depleted, the calculator seamlessly switches to the button battery. This dual power supply mechanism ensures uninterrupted functionality.
What's in the box?
Product Features:
Automatic Power On/Off:
Intelligent Power Saving:
Exquisite Design:
Versatile Applications:
Product Specifications: