This document is about the APC Back-UPS 500 and Back-UPS 650 products. These two products are UPS power supply products introduced by American Power Conversion in 2004. They are efficient, reliable, and protect equipment from power fluctuations and failures.
This manual explains how to install, start up, and operate the APC Back‑UPS 500 and 650 models. It covers connecting the unit to AC power, using the PowerChute software, and understanding the LED and audible indicators for power status, battery mode, overload, and internal faults.
Safety precautions, battery‑replacement procedures, specifications, and warranty information are also included. Follow the recommended 24‑hour initial charge and only allow qualified service personnel to service the battery or internal components.
| Dimensions | 10.5 cm × 17.4 cm × 29.5 cm |
|---|---|
| Weight | 18 kg |
| Conversion Time | Typical 5 ms, Max 8 ms |
| Battery Runtime (after full charge) | 24 hours charge, then up to 2 minutes on low battery |
| Battery Life | 2 – 5 years |
| Frequency Range | 45 – 55 Hz (45 – 65 Hz optional) |
Charge the unit for at least 24 hours before using it for the first time.
It signals a low‑battery condition, meaning only about 2 minutes of runtime remain.
Battery replacement must be performed by qualified service personnel following the listed steps.
The conversion time is typically 5 ms and up to 8 ms at maximum.