Self Powered Calculator

£6.95
Photo of Self Powered Calculator
Gently shake this self-powered calculator to and fro to charge its internal battery. A full charge takes 15-20 times with only 2-3 times needed if the 8 digit screen starts to dim. No batteries are needed and it works in low light levels, unlike solar calculators.

Specifications:

Size: 13.4 x 8.4 x 2.1cm
Weight: 98 g
Materials: Plastic & Aluminium
Power: Solenoid

£6.95

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