WirthCo 20092 Battery Doctor 125/150 Amp Dual Battery Isolator

The WirthCo Battery Doctor 20092 is a state-of-the-art, fully automatic dual battery controller designed for vehicles with auxiliary battery systems. This compact electronic isolator utilizes advanced switching control technology to efficiently charge two batteries from a single alternator while keeping your starting battery isolated from the auxiliary battery.

Key Features:

• 125 amp continuous / 150 amp peak capacity for reliable power management
• Electronic switching control technology - smaller and lighter than traditional solenoid-based isolators
• Automatic operation maintains battery separation during normal use
• Manual override/reset button allows parallel mode for emergency jump-starting
• Water-resistant construction rated IP62 for marine and harsh environment applications
• Over-current and surge protection safeguards modern electronic vehicle systems
• Includes mounting bracket for easy installation
• Compatible with standard alternator charging systems

This high-performance battery isolator is ideal for RVs, boats, emergency vehicles, work trucks, and any application requiring a reliable auxiliary battery system. The electronic design eliminates voltage drop common in diode-based isolators, ensuring both batteries receive proper charging voltage. WirthCo has manufactured quality automotive electrical products for over 30 years.

California Prop 65 Warning: This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.