1. BS EN 61951-1 AMD1. Secondary cells and batteries containing alkaline or other non-acid electrolytes. Secondary sealed cells and batteries for portable applications. Part 1. Nickel-Cadmium (18th June 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (5 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗