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Recommended Length and Amperage for Battery Cable while maintaining a 2% or less voltage drop at 12 volts |
| Battery Cable Size |
50 Amps |
100 Amps |
150 Amps |
200 Amps |
300 Amps |
| 6 Gauge (AWG) |
11.8 ft |
5.9 ft |
4.4 ft |
2.9 ft |
2.2 ft |
| 4 Gauge (AWG) |
18.8 ft |
9.4 ft |
6.3 ft |
4.7 ft |
3.1 ft |
| 2 Gauge (AWG) |
29.8 ft |
14.9 ft |
9.9 ft |
7.4 ft |
4.9 ft |
| 1 Gauge (AWG) |
37.7 ft |
18.9 ft |
12.6 ft |
9.4 ft |
6.3 ft |
| 1/0 Gauge (AWG) |
47.5 ft |
23.8 ft |
15.9 ft |
11.9 ft |
7.9 ft |
| 2/0 Gauge (AWG) |
60 ft |
30 ft |
20 ft |
15 ft |
10 ft |
| 3/0 Gauge (AWG) |
75.6 ft |
37.8 ft |
25.2 ft |
18.9 ft |
12.6 ft |
| 4/0 Gauge (AWG) |
95.2 ft |
47.6 ft |
31.7 ft |
23.8 ft |
15.8 ft. |
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