--- title: "Battery Pack Case" type: "article" slug: "battery-pack-case" url: "http://localhost/article/battery-pack-case/" markdown_url: "http://localhost/article/battery-pack-case.md" published_at: "2020-10-27T17:11:03+00:00" modified_at: "2026-06-22T00:14:43+00:00" featured_image: url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg" excerpt: "Check Herbach & Rademan's summer bulletin (Vol. 46 No. 5). Stock # 21K731 C$4.50) holds 8 C size cells and needs rewiring and a new output connector. H&R is in Philadelphia (215/426-1700). If you use alkaline C cells , Eveready E-93 or equal, you can operate 2 1/2 to 6 hours ." category: - name: "Syntax" slug: "syntax" taxonomy: "category" url: "http://localhost/category/periodicals/syntax/" post_tag: - name: "1980" slug: "1980" taxonomy: "post_tag" url: "http://localhost/tag/1980/" - name: "ZX80" slug: "zx80" taxonomy: "post_tag" url: "http://localhost/tag/zx80/" model: - name: "Sinclair ZX80" slug: "zx80" taxonomy: "model" url: "http://localhost/model/zx80/" publication: "Syntax" publication_r: id: 10246 title: "Syntax" type: "periodical" url: "http://localhost/periodical/syntax/" volume: "1" issue: "1" issues_articles: - id: 26691 title: "Syntax/Syntax ZX80 v1 n1" type: "issue" url: "http://localhost/issue/syntax-syntax-zx80-v1-n1/" pages: "1" pubdate: "November 1980" archive_link: false volumeissue: "v1n1" --- # Battery Pack Case Check Herbach & Rademan’s summer bulletin (Vol. 46 No. 5). Stock # 21K731 C$4.50) holds 8 C size cells and needs rewiring and a new output connector. H&R is in Philadelphia (215/426-1700). If you use alkaline C cells , Eveready E-93 or equal, you can operate 2 1/2 to 6 hours .