Using the trusted and dependable DLS (Dual-State, Line-Load Control, and Switch-Mode) Technology, IOTA Power Converter/Battery Chargers are engineered with the user and variable environmental conditions in mind. Extra care has been given to ensure many years of service-free operation, even when subjected to extremely harsh conditions. DLS multi-stage chargers ensure that deep cycle batteries are charged quickly and efficiently without over-charging, and pumps, motors, and fans operate perfectly for prolonged life.