A compact 20A DC to DC charger for dependable alternator charging in 12V dual battery systems. The Renogy RBC20D1U-AU is suited to touring, trade and auxiliary battery installations where a lower charging rate is preferred.
Key features
20A maximum charging output
12V to-12V DC to DC charging
Alternator running detection helps protect the starter battery
Lithium battery activation control
High temperature power management and multiple electrical protections
Compatible with optional Renogy BT-2 Bluetooth monitoring