Description
Product Overview
The Wusen MD‑550 is a high-performance cordless impact wrench designed for DIY and light industrial users, offering impressive torque in a compact, lightweight package.
🔧 Key Specifications
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Type: Cordless brushless impact wrench (square‑drive head)
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Rated Voltage: 16.8–21 V lithium‑ion battery
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Rated Power: ~500 W input
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Maximum Torque: Up to 300 N·m
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No‑Load Speed: 0–3,200 rpm (~1,500 IPM frequency)
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Drive Size: 3/8″ (square drive) – approximately 10 mm
⚙️ Design & Build
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Motor: Brushless design improves efficiency, power-to-weight ratio, and operational lifespan
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Power Source: Rechargeable lithium-ion battery (commonly 2–3 Ah, charger supports AC 100–240 V input
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Weight: Lightweight at ~0.85 kg, making it highly maneuverable in tight spaces