User guide

Rev. 110310 Page 3 VDC12103-MNL
Battery Condition Indicator Model BCI 12103
DISPLAY CONDITION
No lights. Battery is dead. Replace the
battery.
Red lights up Battery is in poor condition = 11.2
- 11.8 volts.
The battery may be dead,
severely shorted or deeply
discharged. If in doubt, replace
the battery.
Red and Yellow light
up.
Battery is in fair condition = 11.8
- 12.3 volts.
The battery may be shorted or
discharged and unable to start
your vehicle. Check the charging
system.
Red, Yellow and
Green light up.
Battery is good = 12.3 - 12.8
volts.