This is a presolicitation notice for a firm-fixed price, indefinite delivery contract to supply a nonrechargeable battery power supply (NSN 6135-014612915). The contract will have a total potential length of five years, consisting of a three-year base period and two one-year options. Performance will involve deliveries to various DLA stocking locations both within and outside the continental United States. The acquisition is a 100% Small Business Set-Aside, restricted to the sole approved source, ACR ELECTRONICS, INC. (P/N 452-0133). Award decisions will consider price, past performance, and proposed delivery.