Typical AGM Charge and Float Voltages at Various Temperature Ranges
| Temp. ˚F |
Charge |
Float |
Temp. ˚C |
| Standard |
Maximum |
Standard |
Maximum |
| > 120 |
13.60 |
13.90 |
12.80 |
13.00 |
> 49 |
| 110-120 |
13.80 |
14.10 |
12.90 |
13.20 |
43-49 |
| 100-110 |
13.90 |
14.20 |
13.00 |
13.30 |
38-43 |
| 90-100 |
14.00 |
14.30 |
13.10 |
13.40 |
32-38 |
| 80-90 |
14.10 |
14.40 |
13.20 |
13.50 |
27-32 |
| 70-80 |
14.30 |
14.60 |
13.40 |
13.70 |
21-27 |
| 60-70 |
14.45 |
14.75 |
13.55 |
13.85 |
16-21 |
| 50-60 |
14.60 |
14.90 |
13.70 |
14.00 |
10-16 |
| 40-50 |
14.80 |
15.10 |
13.90 |
14.20 |
4-10 |
| < 40 |
15.10 |
15.40 |
14.20 |
14.50 |
< 4 |
| Discover™ AGM |
| 77˚F |
14.20 |
14.72 |
13.40 |
13.80 |
25˚C |
.