Overseas Switching Power Supply Manufacturer

Client Type: Power Adapter & Charger Manufacturer (Southeast Asia)
Products Deployed: PL series DC Electronic Load, PM9800 Digital Power Meter

Challenge

The client produces travel adapters, laptop chargers and USB PD chargers for global markets.

1. Existing testing instruments have poor stability, inconsistent test data on production lines.

2. Need to verify conversion efficiency, no-load loss, dynamic load performance to meet EU energy efficiency standards.

3. Require RS232 communication to connect with automated test system for mass production.

NAPUI Solution

Supplied programmable DC electronic loads & power analyzers supporting CC/CV/CR/CW multi-mode test.

• High precision voltage & current sampling, support dynamic load simulation

• Built-in upper/lower limit judgment, automatic PASS/NG output

• Standard RS232 interface, compatible with customer’s existing automated test software

• Long-term stable continuous operation for 24h production line aging testing

Outcomes

✅ Reduce manual testing error rate by 75%
✅ Support one-stop efficiency & aging test for all charger models
✅ Meet international energy efficiency certification test requirements
✅ Cut equipment procurement cost by 32% compared with European & American brands

Client Quote
“NAPUI test equipment delivers reliable data with competitive pricing. The communication protocol works perfectly with our automatic test benches. We have expanded orders to 3 production lines since 2024.”