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Phase 3 · Systems · Chapter 04

12V Electrical System

Design a safe DC system: battery bank, fuses, BMS, split charger/DC-DC, solar, and proper cable sizing.

22 min read8 steps

Most van fires are electrical. A safe DC system is methodical: every load fused at source, every cable sized to its current, every metal box bonded to chassis ground, and a proper LiFePO4 BMS or AGM bank with a battery monitor. Treat 12V with respect – at high amps it absolutely will start a fire.

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