HW-318 12V to 5V DC-DC Buck Module with USB Output

HW-318 step-down (buck) module that converts a 12 V supply to a regulated 5 V USB output. It accepts anything from 4.5 V to 40 V DC, so it also runs from a 24 V system or a drone LiPo to charge a phone or power USB accessories at the field.

Key features

• 4.5–40 V DC input; the 5 V output is regulated once the input reaches 6.5 V, which covers 2S to 9S LiPo packs.
• USB port with power indicator, rated 2 A at 5 V.
• Built-in voltmeter display for a quick voltage check without a multimeter.
• Reverse-connection, over-current and over-temperature protection.
• Screw terminals for the input leads, so no soldering is needed.

Specifications

• Input voltage: 4.5–40 V DC (regulated output from 6.5 V)
• Output: 5 V, 2 A, USB
• Display: Voltmeter
• Protection: Reverse connection, over-current, over-temperature
• Dimensions: 61 × 15 × 21 mm

Budget 2 A at the USB port for continuous loads. For servos, a companion computer or anything that draws more, use a dedicated BEC sized for the job.