Powering 5 foot section of LED flexible light strip with AA batteries
You can get any number of configurations of AA battery holders. Mouser Electronics, an online electronics distributor has a whole page of them in their catalogue at AA Cell Holders Page from types that can accommodate 1 cell all the way up to 10 cells. Here are a few representative pictures of the ones available.







These are available with solder tabs, wire pigtails or snap fitting connections.