Batteryminder, Model scc180 – BatteryMINDer SCC180 User Manual
Page 10
BatteryMINDer
®
Model SCC180
Rev. B-073108
Page 10
P/N VDCSCC180-MNL
Wet Cell Charge And Float Voltages at Various Temperature Ranges
Temp
ºF
Optimum
Temp
ºC
Charge
Float
10
12.5
12.6
49
110 – 120
13.6
1.7
44 – 48
100 -10
13.8
1.
38 – 43
90 – 99
14.0
13.1
32 – 37
80 – 89
14.2
13.3
27 – 31
70 – 79
14.4
13.5
21 – 26
60 – 69
14.6
13.7
16 - 20
50 – 59
14.8
13.
10 - 15
40 – 49
15.0
14.1
5 - 9
3
15.2
14.3
4
The accuracy of the above voltages should be +/- 0.2 volts.
Gel Charge and Float Voltages at Various Temperature Ranges**
Temp
°F
Charge
Float
Temp
°C
Optimum
Maximum
Optimum
Maximum
10
13.00
13.30
1.80
13.00
49
110 – 120
13.0
13.50
1.0
13.0
44 – 48
100 -10
13.30
13.60
13.00
13.30
38 – 43
90 – 99
13.40
13.70
13.10
13.40
32 – 37
80 – 89
13.50
13.80
13.0
13.50
27 – 31
70 – 79
13.70
14.00
13.40
13.70
21 – 26
60 – 69
13.85
14.15
13.55
13.85
16 - 20
50 – 59
14.00
14.30
13.70
14.00
10 - 15
40 – 49
14.20
14.50
13.0
14.20
5 - 9
3
14.50
14.80
14.20
14.50
4
**East Penn Technical Manual of Valve-Regulated Lead-Acid (VRLA) Gelled Electrolyte (gel), E.P.M. Form No.
0139 Rev. 3/04
Note: This chart shows the Charge and Float voltage ranges v. temperature for sealed 24-Volt Gel type batter-
ies. Values will differ for sealed AGM, Flooded (filler cap) or maintenance-free types Manifold cover(s).