Sentry Model SV1225/3XJ: Sentry Voyager marine & RV battery chargers are light weight, compact and easy to install. The circuit board is conformal coated for added protection from the harsh marine environment. Sentry Voyager battery chargers are designed with dip switches to select the correct battery charging curve. Battery charge selections are Lead-Acid, AGM, Gel, Lead Calcium, Spiralcell or Lithium-ion (LiFeS04). Each charger will charge three independent and isolated battery banks. The Voyager series charger is a direct replacement for the Sentry "SM" series battery charger. Please refer to the specification sheet for dimensional details. The charger is designed to automatically switch to match 115vac or 230vac incoming power and 50Hz or 60Hz frequency. Equipped with an LED indicator, Voyager chargers display charging status of Boost, Equalization and float modes. The LED indicator will also show fault status of high temperature fault, battery fuse fault and output voltage fault. All Sentry Voyager chargers come with a 2 year parts warranty from date of manufacture.