MidNite MNBCM Installation Download Page 1

MidNite Solar Battery Monitor MNBCM       

Rev D 

1  

 

Installation 

 
Remove Cover of Battery Monitor using the slots in side of plastic case. 
Attach Battery Monitor base using 4 screw holes. 
Reattach Cover to base. 

 
Battery Cable Hookup

  

 
Attach RED wire to battery bank  “+” plus terminal 
Attach BLACK wire to battery bank  “-“ minus terminal 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
*Note:  The Battery Monitor enters the self test 
 mode when power if first applied.  All LEDs are 
 tested one by one.  

 
 
 
Battery chemistry jumper: 
ON = GEL 

(

13.65V

 to turn on green light) 

OFF = AGM & FLOODED  (

14.25V

 

to turn on green light) 

voltage must be attained for 2            

hours to turn green light on

 

12 Volt 
Battery 

24 Volt 
Battery 

36 Volt 
Battery 

48 Volt 
Battery 

State of Charge 

11.65 23.30 34.95 46.60 10% 
11.77 23.54 35.31 47.08 20% 
11.89 23.79 35.67 47.58 30% 
12.02 24.03 36.06 48.06 40% 
12.14 24.28 36.42 48.56 50% 
12.26 24.52 36.78 49.04 60% 
12.38 24.77 37.14 49.54 70% 
12.51 25.01 37.53 50.02 80% 
12.63 25.25 37.89 50.50 90% 
12.75 25.50 38.25 51.00 100% 
14.25 28.50 42.75 57.00 Full 

Rate 

FLA 

13.65 27.30 40.95 54.60 Full 

Rate 

Gel 

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