power adapter FAQ – Mingxinpower

Q1: Are your power adapters certified for international markets?
A: Yes. All adapters are UL/CE/RoHS/FCC/SAA/UKCA/CB/KC/PSE/CCC certified and undergo 100% aging testing. Our ISO 9001-certified factory ensures automotive-grade quality control.

Q2: Can I request custom voltage/connector specifications?
A: Absolutely. We support full OEM/ODM services:

• • Voltage: 3V to 60V DC (±1% precision)

• • Connectors: 5.5×2.1mm/5.5×2.5mm/Micro USB/USB-C

• • Custom labels & packaging (MOQ 500 units)

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Q3: How do you ensure product reliability?
A: Our 3-stage quality control process includes:

1. • 72-hour burn-in test

2. • Hi-POT insulation resistance check (3KV AC)

3. • Surge/EMC compatibility validation

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Q4: What makes your adapters more efficient than competitors?
A: We use advanced technology for:
✔️ 90%+ energy efficiency (vs. standard 85%)
✔️ Compact size (30% smaller)
✔️ 100,000+ hours MTBF (Mean Time Between Failures)

Q5: Why choose your factory over others in China?
A: We deliver Engineering-to-Order (ETO) advantages:
✅ 13+ years in power solutions
✅ On-site EMC lab for real-time validation
✅ 24/7 multilingual technical support (English/German/Japanese)
✅ Free sample program with pre-compliance testing

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Q6: What's the typical lead time for bulk orders?
A: Standard orders: about 20 days