Dual Power 36/12V Dual Output Battery ChargerDual Power Series-Intelligent High Frequency ChargerPro Charging Systems new Dual Power Series of chargers simultaneously charges your main battery independently and the rest of your batteries in series. The result is fast, dependable and efficient charging. The product also leverages powerful exclusive technologies to further enhance the energy management status of fresh and saltwater boats.PRODUCT FEATURES Dynamic Intelligent High Frequency Charging Charges Wet Cell, AGM, Gelled Electrolyte and Lithium Batteries Charges Main Battery Independently and Additional Batteries in Series Quickly and Efficiently Charges and Conditions Batteries Smaller Form Factor and Half the Weight of Transformer Based Chargers IP67 & IP68 Pending 89% Overall Efficiency .98 Power Factor Communicates with Smartphones via Android and iOS Apps DELTAVIEW LINK Provides wireless access to remotely monitor charge details of your batteries from your portable device. (Free download from your Apple store or via the link below for Android) Allows you to modify the charge algorithm This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications: Portable: No Charger Output Voltage: 12/36v Charger Input - Voltage: 120v Box Dimensions: 10"H x 12"W x 18"L WT: 14.85 lbs Brochure (pdf)