Battery Charge Time Calculator
Estimate how long it takes to charge your battery bank from solar, shore power, or alternator sources.
Battery Bank
Ah
Battery Chemistry
20%
0%25%50%75%100%
100%
0%25%50%75%100%
Charge needed: 160 Ah (80% of 200Ah)
Charge Sources
A
hrs
%
A
hrs
%
A
hrs
%
Charge Time Estimates
Combined Time
4h 49m
total
Bulk Phase
1h 47m
LiFePO4
Absorption Phase
31m
LiFePO4
Est. Days
0.2
days
Per Source Breakdown
| Source | Bulk | Absorption | Total | Days |
|---|---|---|---|---|
| Solar Array (400W) | 5h 54m | 1h 41m | 7h 35m | 1.5 |
| Shore Power Charger (30A) | 5h 11m | 1h 29m | 6h 40m | 0.3 |
| DC-DC from Alternator (30A) | 5h 4m | 1h 27m | 6h 31m | 2.2 |