STERLING HEIGHTS, Mich. /ScoopCloud/ -- Ask many boating enthusiasts which deep cycle batteries they prefer for their crafts, and they'll name one of two brands: Deka, or Trojan USA, says Batteries Shack. They're top-of-the-line batteries made in the USA; Deka through a company called East Penn Manufacturing. Both are known for having longer life spans and higher power outputs than competing brands.
