YABOANG DC-DC Converter 20-72V to 12V • 120W, 10A, Waterproof

Reliable buck converter for automotive and harsh environments

The YABOANG DC-DC converter buck steps down higher voltages from 20 to 72 V into a steady 12 V output. With a maximum of 120 W and up to 10 A of current, it can support multiple devices while keeping a clean, stable rail. The compact aluminum housing combines rugged construction with thoughtful heat management to help hardware run smoothly under challenging conditions.

This module is designed to deliver reliable performance in automotive, solar, industrial, marine, and DIY setups. The internal circuitry employs a smart chip to monitor current and temperature, enabling protective actions that help prevent nuisance shutdowns and voltage dips. With an efficiency rating near 95 percent, it minimizes waste heat and contributes to longer component life in tight, powered environments.

Key specifications at a glance

• Input range: 20–72 V
• Rated inputs: 24, 36, 48, 60, 72 V
• Output: 12 V fixed
• Output current: up to 10 A
• Maximum output power: 120 W
• Efficiency: up to 95 percent
• No-load adjustment: 2 percent
• Load regulation: 3 percent
• Quiescent dissipation: ≤ 30 mA
• Protection: smart overcurrent, overload, short circuit, low load, and overheating
• Construction: IP67 waterproof, aluminum housing with epoxy resin potting
• Incoming line: 15–16 cm (R+ B-)

Design and reliability you can rely on

The IP67 rating and epoxy potting protect against dust, moisture, and vibration, making the unit suitable for exposed installations in vehicles, boats, and outdoor workspaces. The aluminum enclosure aids thermal performance, helping the converter stay within safe temperatures even when power demand is high. A compact footprint makes it easier to fit into tight electrical bays and automotive compartments without compromising accessibility for wires and connectors.

Real-world use cases and installation ideas

• Automotive and trucks: stabilize lighting, instrument clusters, and auxiliary devices for a consistent 12 V source on the move
• Solar and off-grid: convert higher battery voltages to a reliable 12 V rail for inverters and controllers
• Marine and industrial: power electronics on boats, forklifts, and workshop tools with rugged protection
• Camping and mobile structures: create a compact power backbone for remote sites and DIY rigs
• DIY projects: integrate a dependable 12 V supply into custom prototypes and hobby builds

Important usage notes and best practices

• Wire insulation should be applied up to about 10 mm (0.4 inches) into the plug during installation
• Observe correct polarity; reversing input can damage the unit
• The converter does not include input reverse protection; handle wiring with care
• Avoid heat sources and do not disassemble unless you are a qualified professional