National Luna Dual Battery Monitor with Alarm (suit all types of Dual Battery Systems and can also be used to measure 2 x 12v batteries in a 24v system)
Simple and easy to read display gives a constant indication of the charging performance of both batteries whilst you are driving. If 4 green LED’s are showing then the batteries are receiving an excellent charge. Only 1 or 2 green LED’s indicates a charging problem.
When stopped, the number of orange LED’s showing indicates the remaining storage capacity of each battery.
Any changes in performance are easily noticed and give advanced warning of a decling battery or other problem.To Suit Dual 12 volt Lead Acid Batteries
(can also be used in 24 volt system)