![Blue Sea 1839 M2 OLED Tank Monitor [1839] Electrical | Battery Management Now includes a 2 year](https://cdn.shopify.com/s/files/1/0751/4878/7965/files/blue-sea-1839-m2-oled-tank-monitor-1839-meters-monitoring-223.webp?v=1752211487)
Pay in 4 interest-free payments of $29.25 Learn more
Ships within 48 hours · Estimated delivery Nov 6 - Nov 11
Now includes a 2 year warranty
Non-Locking Nylon T-Handle - White/White
Bracket lets you bolt roller assembly onto the tongue or frame of your boat trailer
Internal 30 amp AC transfer switch will automatically pass through AC inlet power when present
Quick-action handle makes operation easy
Blue Sea 1839 M2 OLED Tank Monitor [1839] Electrical | Battery Management Now includes a 2 yearM2 OLED Tank Monitor The M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto dimming display. The M2 Monitors include a MOSFET External Circuit Relay (ECR) which can be used to control external circuits based on any value measured by the M2. Features: Auto dimming, bright Organic LED display is easy to read 80dB alarm on all models Isolated 500mA MOSFET relay Includes external DC Shunt or
