National Luna Recessed Battery Monitor

  • Description



Due to popular request, National Luna has increased it’s range of battery management products by introducing recessed versions of the Single and Dual battery monitors.

The recessed versions of these accurate monitors are ideal for panel-mounting in caravans, trailers, solar installations, boats or campers. Both single and dual battery monitors are accurate lead-acid voltage displays with easy-to-read colour bar-graph displays. The monitors use digital technology and are programmed to follow typical non-linear lead-acid battery curves.



  • Accurate digital technology
  • Easy to read display
  • Low-battery alarm
  • Over-charge alarm
  • Display sleep mode
  • Ultra low power consumption
  • Polarity protected
  • 3.5 metre cable supplied
  • Suitable for any 12V lead-acid application


Physical size 110mm (l) x 66mm (w) x 20mm (h) (Single Monitor)
121mm (l) x 66mm (w) x 20mm (h) (Dual Monitor)
Mounting holes 4 x 3.5mm mounting holes
Power supply 8Vdc – 15Vdc (display range: 11.4V – 14.2V)
Low-voltage warning DC voltage below 11.4V
Over-charge warning DC voltage above 14.65V
Cable 3.5 metre
Power consumption Single monitor – 8mA (sleep mode) , 18mA Average
Dual monitor – 8mA (sleep mode) , 34mA Average