Add the long-life power of Lithium ION to your MarCum® sonar units. Compact, lightweight and long-lasting, the Lithium Shuttle, powered by a 12-volt 12-amp hour Lithium ION polymer battery, can extend your unit’s continuous run time up to 40 hours. Designed for MarCum® M-Series, LX-Series, I-Series flashers digital sonar systems. The Lithium Shuttle is also compatible with other ice electronics that use 9 to 12.6 volts batteries with optional Lithium Shuttle Power Adapter (sold separately). Available at rapala.com.