Suppliers of quality power products for the 4x4 and Outdoor Enthusiast

National Luna single battery monitor


The simplest and cheapest way to monitor your battery???s state of charge to ensure you do not overdischarge it.

SKU: BMN-NL-S Categories: ,


The National Luna single battery monitors can be used for any installation that requires careful monitoring of lead-acid battery condition. These monitors use digital technology for increased accuracy and feature low-voltage and over-charge warnings.


  • Simple installation
  • High-accuracy digital technology
  • Excessive discharge warning
  • Over-charge warning
  • Polarity protected
  • Extremely low power consumption
  • 11.4V to 15V operation (ideal for automotive use)
  • Display on/off option (sleep mode)