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DIY Portable 12V Battery Energy Storage Spot Welding PCB Circuit Boar 5 colors) Apply fresh solder to the

SKU 92197318736 · ★ 4.9

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DIY Portable 12V Battery Energy Storage Spot Welding PCB Circuit Boar 5 colors) Apply fresh solder to the Apply fresh solder to the tip after each use to prevent oxidation Purchase the Sonoff T1 UK 2 Channels WiFi+RF+Touch Smart Switch online at The Engineer Store Connect the PCB board to a 12V DC power source (battery pack or regulated power supply) via the marked positive and negative input terminals

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