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This product utilises two power sources: LR54 alkaline button battery (1.5V) Opening the battery compartment by using cross screwdriver. When the display becomes blurry, this indicates the calculator is low on battery. Keep the calculator power by solar panel in a bright location but out of direct sunlight, or replace the battery.
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This calculator is powered by one LR54 1.5V alkaline button battery. • WARNING! KEEP BATTERIES OUT OF REACH OF CHILDREN. • Never allow children to replace button batteries on any device. Swallowing or placing inside any part of the body may lead to severe or fatal injuries in •...