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Overkill Solar BMS Series User Manual

Overkill Solar BMS Series
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Appendix F: Wire and Lug Sizing
F.1 Wire Sizing Chart
We’ve provided the table below for convenience; it only lists common sizes and lengths in the context of
wiring a battery pack. For a more complete guide, we recommend Blue Sea System’s page on choosing the
correct wire size for a DC circuit.
For lengths of wire less than six feet (1.8 meters):
Desired current (amps)
Freedom Units
Closest metric size
5
16 AWG
1.5 mm²
10
16 AWG
1.5 mm²
15
14 AWG
2.5 mm²
20
14 AWG
2.5 mm²
25
12 AWG
4 mm²
30
10 AWG
6 mm²
50
6 AWG
16 mm²
60
6 AWG
16 mm²
80
4 AWG
25 mm²
90
4 AWG
25 mm²
100
4 AWG
25 mm²
120
2 AWG
35 mm²
150
1 AWG
50 mm²
200
2/0 AWG
70 mm²
F.2 Battery Bus Bar Sizing Chart
If your batteries did not come with bus bars, they may be fashioned from ¾” wide copper bar material (110
alloy is 99.9% pure is recommended). Use the chart below to determine the correct thickness.
Note that these are general guidelines and may not be appropriate in all circumstances.
Desired current (amps)
Bar Size
McMaster Carr P/N
< 150
3/4" x 1/8"
2557T51
150 - 200
3/4" x 3/16”
2557T57

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Overkill Solar BMS Series Specifications

General IconGeneral
BrandOverkill Solar
ModelBMS Series
CategoryControl Unit
LanguageEnglish

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