Marine voltage regulator
SAR20
Cruzpro
Fixed voltage regulators are inexpensive to manufacture but are a poor trade-off between cost and performance for the boat owner. The initial savings are soon offset by the requirement to run the engine longer to achieve the same charge, battery life, noise, heat and smell generated by the engine. A fixed voltage regulator will also overcharge your batteries on longer runs - reducing their life and requiring more frequent top-ups of water.
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