What Is the APC Back-UPS 550 Battery and How Does It Work

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The APC Back-UPS 550 battery is a rechargeable lead-acid battery designed to provide backup power during outages for small electronics, routers, and computers. It delivers up to 550VA/330W of power, offering surge protection and runtime adjustments via its LCD interface. Compatible with APC’s Battery Management System, it ensures reliable short-term power during disruptions.

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How Does the APC Back-UPS 550 Battery Provide Surge Protection?

The Back-UPS 550 uses multi-stage surge suppression to shield connected devices from voltage spikes. Its Automatic Voltage Regulation (AVR) corrects minor fluctuations without switching to battery power, extending runtime. Advanced filtering technology blocks electromagnetic interference, ensuring stable power delivery for sensitive electronics like gaming consoles and medical devices.

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