Quality reproduction of battery manual in authentic A4 format on natural paper. Over 120 pages, book contain complete information and attachments about Nickelsammler and Bleisammler, Ladegleichrichter, technical description, connections, various calculations. E.g. 12 B 105, 2 B 38, 2 B 19, 8 NC 10, 4,8 NC 5, 12 NC 26...