6–40V to 5V 3A Dual USB Step-Down Charger

Free shipping · 6–12 days · tracking

Wide-input step-down board that takes about 6–40V DC and outputs 5V at up to ~3A on dual USB ports for phones and 5V gadgets.

Useful in cars, solar/battery DIY, and bench USB power. Check polarity and input limits before connecting.

Typical jobs: USB charging from a higher DC source, dual-port 5V tap.

$ 8.86

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