Battery Pack for Hewlett-Packard HP 21/22/25/25C/27/29C Calculators w/Fresh Tenergy AA 1.2v NiCd flat-tops. 3D printed battery holder with excellent fit and close, but not perfect, color match to original calculators. It is paintable if you would like to tweak the color to match your aged unit. This holder is designed to allow easy reuse via quick snap replacement of batteries, for example to NiMH, or springs as needed. Please use caution and don't recharge battery packs within your valuable vintage calculator but always use external means to do so. The holder may contain scuffs, scratches, strings, nodules, voids and other minor imperfections. No calculator is included. Sold as-is, no returns. No international shipping on this item.