MidNite MNBCM - User Manual

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

Summary

Installation

Battery Cable Hookup

Connect RED wire to '+' and BLACK wire to '-' battery terminals for proper hookup.

Battery Chemistry Jumper

Configure jumper for GEL or AGM/Flooded battery types based on voltage thresholds.

Self Test Mode

The monitor performs a self-test with all LEDs activating when power is first applied.

Status Display

LED Battery Capacity Indicators

Ten LEDs indicate battery capacity based on voltage; green LED shows 90% charge.

Extended Charge Status LEDs

Three LEDs under tinted cover indicate charge history: recent, 1 week, or 2 weeks without full charge.

Technical Specifications

Key operational specs: voltage range (12-48V), max input (70V), polarity protection (100V), and size.

MidNite MNBCM Specifications

General

Brand	MidNite
Model	MNBCM
Category	Inverter
Language	English