BatteryMINDer OBD-12, -24, -36 & -48 - Manual (Page 5)

Rev. H-041409 Page ` P/N VDC OBD12-24-36-48-MNL
BatteryMINDer Models OBD12-24-36-48
4. Recharge the battery to ensure that it is
completely charged as possible before you determine
its condition. Allow battery to “rest”* overnight
for a minimum of 12 hours before testing with a
temperature compensated hydrometer and/or digital
type voltmeter only.
* “RESTED” = a battery that has been as fully
charged as possible, using a 3 stage charger or your
alternator and left disconnected from charger or any
type load for a minimum of 12 hours before testing.
. If the BatteryMINDer battery condition LED lights
YELLOW (single battery) or no balls float in one or
more cells, your battery may be too far gone to be
fully desulfated. Use a hot/cold calibrated hydrometer
tester for the most accurate results** (see next page)
if you see an increase in the Specific Gravity (SG) or
voltage indicating that there is an improvement in
the battery’s condition, continue desulfating for an
additional 72 hours and retest the battery. Continue
this process until the SG or voltage readings no
longer increase.
Temp. Compensated
Hydrometer - meter
or 4 ball type
6-V
3
cells
8-V
4
cells
12-V
6
cells
Full Capacity
Percentage
1.270 (4 Balls
floating)
6.3V 8.4V 12.6V 100%
1.250 (3 Balls
floating)
6.18 8.26 12.4 75%
1.190 (2 Balls
floating)
6.09 8.13 12.2 50%
1.150 (1 Balls
floating)
6.0 8.0 12.0 25%
1.120 (0 Balls
floating)
5.88 1 7.84 1 11.8 1 0%
1 May denote shorted cell or battery that has been severely
discharged and may not be recoverable
OCV = Open Circuit No Load Voltage OCV = Open Circuit No Load Voltage