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How to Size Battery Adapter Cables?
Use appropriately sized Battery Adapter Cables (sold separately) based on expected load. Refer to the table
below for copper cable ampacities with dierent gauge sizes.
Cable Gauge Size Ampacity Cable Gauge Size Ampacity
14 AWG (2.08 mm) 35A 2 AWG (33.6 mm) 190A
12 AWG (3.31 mm) 40A 1 AWG (42.4 mm) 220A
10 AWG (5.25 mm) 55A 1/0 AWG (53.5 mm) 260A
8 AWG (8.36 mm) 80A 2/0 AWG (67.4 mm) 300A
6 AWG (13.3 mm) 105A 4/0 AWG (107 mm) 405A
4 AWG (21.1 mm) 140A
The above values are from the NEC Table 310.17 for copper cables rated at 194°F (90°C), operating
at an ambient temperature of no more than 86°F (30°C). Cables longer than 13 feet (4000 mm) may
require thicker gauge wires to prevent excessive voltage drop in undersized wiring.
Fix the Battery to a Position (Optional)
Securing the battery prevents damage to the battery from loose cables and bumps.
Recommended Components
Battery Tray Tie Down Strap Mounting Screws × 4
Alternative mounting methods are allowed to meet the requirements of specific applications.
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