Solar-Powered Calculator Without a Battery A compact, solar-powered calculator for use at home, in the office, or on the go. The device operates without a battery. Operation The calculator is powered by a built-in solar cell. No battery replacement is required. - Solar-powered, no batteries required - 8-digit display - Sign change key, percentage calculation, 3-key memory - Large plus key for quick addition - Dimensions: 103 × 61 × 8 mm - Weight: approx. 37 g Packaging The calculator is shipped in a cardboard box. No plastic packaging is used. https://elecena.pl/product/18350935/570-pocket-calculator 2021-05-05 https://elecena.pl/product/18350935/570-pocket-calculator 2023-02-14