AGM Battery Charging Recommendations Table
State of Charge |
Voltage (DC) |
Action |
Recommended Charge Time* |
---|---|---|---|
100% |
12.8-13.2 v |
None |
None Required |
75%-100% |
12.6-12.8 v |
May need slight charge If no charge given, check again within 4 weeks |
2-4 Hours |
50%-75% |
12.3-12.6 v |
Needs Charge |
4-6 Hours |
25%-50% |
12.0-12.3 v |
Needs Charge |
6-8 Hours |
0%-25% |
12.0 v or less |
Needs Charge |
At Least 8 Hours |
*Assuming 2 a constant current |