Overview
A universal DC5–48V emergency power switch that automatically alternates between external power and battery. It prioritizes external power when available and switches to battery backup during power outages (with ~0.7 s switchover time).
Technical Specifications
- Model: YX850
- Input Voltage Range: DC 5–48 V
- Max Load Current: 10 A continuous
- Battery Charging Function: Charges connected battery from external DC when available
- Automatic Power Switching: Instant switch (≈0.7 s delay) to battery upon external power loss
- Operating Temperature: –25 °C to +85 °C
- Operating Humidity: 5%–95% RH non-condensing
- Module Dimensions: 61 × 30 × 18 mm
- Mounting Hole: 2 × Ø3 mm, spacing ~23 mm
- Weight: ~22 g
Key Features
- Universal DC input (5–48 V), auto-detecting external power
- 10 A load capacity, suitable for a wide range of DC setups
- Charges attached battery when external DC is present
- Automatic switchover to battery on power outage (≈0.7 s)
- Reverse and over-discharge protection included
- Compact alloy construction, easy screw-terminal connections
Typical Applications
- UPS for routers, modems, CCTV, and IoT gateways
- Backup power in off-grid solar or battery-powered setups
- Emergency lighting and security systems
- Power continuity for Arduino/ESP systems
- Industrial alarms and critical instrumentation
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