Renogy DCC50S 12-Volt 50A DC-DC On-Board Battery Charger

【An external fuse is required for installation.】The Renogy ANL fuse will protect your controller, wire, and battery from overcurrent. Renogy's DCC50S DC to DC MPPT on-board Battery Charger is designed to give you options! This multi-stage, multi-input battery charger can charge a service battery from an alternator connected to a starting battery or by utilizing solar panels connected directly to the unit. While your vehicle's alternator prioritizes your starting battery, this unit will allow your solar system to charge your service battery first! It's the smart way to keep yourself fully charged and off-grid longer! And with multi-stage charging and multi-chemistry functionality, Renogy's DC to DC MPPT Charger has you covered whether you're using Flooded, Gel, AGM, or Lithium batteries. Now you can unlock monitoring features exclusively using the BT-2 Bluetooth Module and Renogy DC Home App!