We wonder if the D-Cell battery suffers from low self-esteem, as it’s never been as popular as rivals AA and AAA. Another blow to D’s self-image is the Battery Converter, a plastic case the size and ...
Ultracapacitor technology steps forward with the D Cell Boostcap (DCAP series). Based on industry-standard D cell battery dimensions, it is 61.5 mm long and has an outside diameter of 33 mm, as per ...