DC Cooler Kit — Quick Start

1. Breaker ON → Buck ON.
2. Set output 12.2–12.6 V (under load).
3. Plug cooler to SB50 (polarity!).
4. Cool-down: Normal → then Eco.

• Branch fuse 10–15 A • Wire 12 AWG to outlet.
• Peak draw 6–10 A @ 12 V (avoid cig sockets).
• Pre-chill; keep lid shut; use thermal cover.

24 V LiFePO₄ Buck 20–30 A 35–60 W run

Solar: Battery→MPPT first; open PV first to shut down.