Efficient Multi-Battery Charging for Marine Applications

The Newmar Power 1-2-70A Isolator is designed to provide seamless and automatic charging for multiple battery banks in marine and other DC-based applications. This heavy-duty isolator ensures that each battery is charged according to its individual needs, preventing overcharging and battery drain. Whether used with one or two alternators, it optimizes power distribution without the risk of discharging one battery into another.

Built to withstand harsh marine environments, this isolator features a rust-proof anodized aluminum heat sink case that enhances durability and thermal performance. Its compact design makes it easy to install, and the included stainless steel mounting hardware ensures a secure and long-lasting setup.

Advanced Performance for Reliable Power Management

Engineered for 12-48V DC negative ground systems, the Newmar Power 1-2-70A Isolator is designed to support modern marine power needs. Its conservatively rated diodes maintain efficient current flow, reducing energy loss while ensuring stable operation. Protective terminal covers further enhance safety by preventing accidental shorts or exposure to the elements.

Technical Specifications

• Operating Temperature: -40°C to +80°C
• Duty Cycle: Continuous operation up to 50°C; derates to 70% at 80°C
• Temperature Rise: 95°C at full-rated current (recommended vertical mounting for optimal cooling)
• Voltage Drop:0.7V at 50% load
• 0.9V at full load

Product Dimensions

• Length: 3.25 inches
• Width: 4.5 inches
• Height: 3.1 inches
• Weight: 2 lbs (0.9 kg)

Premium Features for Marine Applications

• Heavy-duty construction for long-term reliability
• Supports up to 48V DC systems, suitable for marine and industrial setups
• Rust-proof anodized aluminum case for enhanced durability
• Stainless steel mounting hardware included for secure installation
• Protective terminal covers to prevent accidental short circuits