APC Back-UPS 650 Manual: Overview & Setup
This manual details setup for APC Back-UPS BC650-RS, BC500-RS, and BX650CI-RS models. It covers initial connection, safety, and basic operation procedures for reliable power protection.
The APC Back-UPS 650 provides reliable, battery backup and surge protection for desktop computers, peripherals, and small electronics. This unit, encompassing models like BC650-RS, BC500-RS, and BX650CI-RS, safeguards against power outages, surges, and voltage fluctuations. It offers sufficient runtime to safely shut down equipment during extended power failures.
Key features include automatic voltage regulation (AVR), which corrects minor voltage dips and swells without switching to battery power. The Back-UPS 650 also incorporates surge protection for data lines, protecting connected devices from damaging surges traveling through phone or network cables. Proper installation and understanding of its indicators are crucial for optimal performance.
Unboxing and Contents Verification
Upon receiving your APC Back-UPS 650, carefully inspect the packaging for any signs of damage during shipment. Once opened, verify that all components are present. You should find the Back-UPS unit itself, a detachable power cord, a phone line cable (if applicable for data line protection), and this user manual.
Confirm the battery is securely installed within the unit. If any items are missing or appear damaged, immediately contact APC customer support. Retain the original packaging for potential returns or warranty claims. Do not attempt to operate the unit if components are missing or damaged.
Safety Precautions
To ensure safe operation of your APC Back-UPS 650, adhere to these precautions. Avoid operating the unit in excessively humid or wet environments. Do not expose it to extreme temperatures or direct sunlight. Ensure adequate ventilation around the unit to prevent overheating.
Never attempt to disassemble or modify the Back-UPS; this voids the warranty and poses a safety risk. Do not connect phone/network lines simultaneously to the same port. Always disconnect the unit before cleaning. Follow proper battery disposal guidelines – do not incinerate.

Installation and Connection
Proper installation involves connecting the battery, plugging into a wall outlet, and then connecting your devices for protected, uninterrupted power supply.
Connecting the Battery
Before initial use, connect the provided battery to the APC Back-UPS 650; Ensure the unit is switched off before proceeding. Locate the battery compartment, typically at the rear of the unit, and carefully connect the battery cable. A secure connection is crucial for proper operation and to avoid potential hazards.
The battery should click firmly into place. After connecting, allow a sufficient charging period – typically several hours – to reach optimal battery capacity. Refer to the full user manual (available online as a PDF) for detailed diagrams and specific instructions related to your model (BC650-RS, BC500-RS, or BX650CI-RS).
Connecting to a Wall Outlet
To begin operation, connect the APC Back-UPS 650 to a grounded wall outlet. Before connecting, verify the outlet provides the correct voltage (230V for European models). Initially, the unit will be in a standby mode, indicated by no illuminated indicators. This is normal.
Ensure the wall outlet is not controlled by a switch, as this could interrupt power and affect the UPS functionality. Press the power button on the front panel to activate the unit. The Power/Battery indicator should illuminate, confirming a successful connection and readiness for operation. Consult the user manual for specific model details (BC650-RS, etc.).
Connecting Devices to the Back-UPS
Connect your critical devices – computers, monitors, and network equipment – to the battery backup outlets on the rear panel. These outlets provide power during outages. Surge-protected outlets are available for less critical devices like printers.
Ensure the total power draw of connected equipment does not exceed the Back-UPS 650’s capacity. Overloading can cause the unit to shut down. Confirm connected equipment is powered ON before connecting to the UPS. Refer to the manual for wattage guidelines to prevent overload conditions and ensure optimal performance.
Initial Power-On and Self-Test
After connecting the Back-UPS to a wall outlet and your devices, press the power button on the front panel. The unit will initiate a self-test to verify functionality. Observe the front panel indicators; the Power/Battery indicator should illuminate.
The UPS will switch to battery power briefly during the self-test. Ensure connected equipment remains powered on throughout this process. A successful self-test confirms the battery is charging and the surge protection is active, providing a baseline for reliable operation.

Understanding the Front Panel Indicators
The front panel displays crucial status information. Indicators reveal power status, battery level, and potential issues, ensuring quick identification of operational conditions.
Power/Battery Indicator
The Power/Battery indicator provides fundamental operational status. When lit, it signifies that the Back-UPS is receiving utility power and the battery is charging, or is in a normal operating state. If the indicator is off, it suggests the unit isn’t receiving power, requiring a check of the wall outlet and connection.
A steady green light confirms normal operation, while a flashing amber light may indicate a battery issue or that the unit is running a self-test. Understanding this indicator is crucial for quickly assessing the UPS’s basic functionality and identifying potential problems before they escalate, ensuring continuous power to connected devices.
On Battery Indicator
The On Battery indicator illuminates when the Back-UPS is actively providing power from its battery. This signifies a loss of utility power or a voltage fluctuation outside acceptable parameters. A steady amber light indicates the unit is running solely on battery power, providing temporary power to connected equipment.

This indicator is vital for understanding when the UPS is actively protecting your devices during power disturbances. A flashing amber light alongside this indicator may signal an overload condition or a battery nearing its end of life, requiring immediate attention to prevent data loss or equipment shutdown.
Low Battery Indicator
The Low Battery indicator, typically a flashing amber light, signals that the battery is nearing depletion and can no longer provide extended runtime. This doesn’t necessarily mean immediate shutdown, but indicates limited backup power remains.
When this indicator activates, save your work and prepare for a controlled shutdown of connected devices to prevent data loss. Ignoring this warning can lead to abrupt power loss. It may also indicate a battery that requires replacement or a potential issue with the charging circuit, necessitating troubleshooting or contacting APC support.

Back Panel Features & Connections
The rear panel includes surge protection outlets, battery backup outlets, and data line protection for phone/network connections. Careful connection is crucial.
Surge Protection Outlets
The APC Back-UPS 650 features surge protection outlets on the rear panel, designed to safeguard connected devices from voltage spikes and surges. These outlets do not provide battery backup power during an outage; they simply offer enhanced protection against electrical disturbances. They are ideal for peripherals like printers, scanners, or lamps that don’t require continuous power.
The manual specifies that the 500 and 650 VA models offer surge protection for one phone line. It’s important to note that these outlets are intended for non-essential equipment, freeing up the battery backup outlets for critical devices; Proper utilization of these outlets extends the runtime for essential equipment during power failures.
Battery Backup Outlets
The APC Back-UPS 650 provides battery backup outlets, offering continuous power during outages. These outlets are crucial for connecting essential equipment like computers, network devices, and external hard drives, ensuring uninterrupted operation and data protection. Connected equipment must be switched on for the UPS to recognize the load and provide backup power.
The manual cautions against overloading these outlets, as this can compromise the UPS’s ability to provide backup power. Carefully consider the power requirements of connected devices to avoid overload conditions and maximize runtime during power failures. Prioritize critical devices for connection to these outlets.
Data Line Protection (Phone/Network)
The APC Back-UPS 650 offers surge protection for data lines, safeguarding connected devices from power surges traveling through phone or network cables. However, the user manual explicitly warns against simultaneously connecting both phone and network cables to the same data line protection ports on the UPS.
It’s crucial to connect the Back-UPS to a wall data line outlet for proper function. This feature protects valuable equipment like modems, routers, and fax machines from damage caused by electrical disturbances on these lines, enhancing overall system reliability and data integrity.

Software and Monitoring
APC PowerChute software enables configuration of the Back-UPS, offering remote monitoring capabilities and control over power settings for enhanced protection.
APC PowerChute Software Installation
Installing APC PowerChute software provides advanced management of your Back-UPS 650. Begin by downloading the software from the APC website, ensuring compatibility with your operating system. Run the installer and follow the on-screen prompts, accepting the license agreement. The software will automatically detect the connected Back-UPS via USB.
During installation, you may be prompted to configure initial settings, such as notification preferences for power events. Complete the setup wizard, and the software interface will appear, displaying the UPS status and allowing for customized power settings. Regular software updates are recommended for optimal performance and security.
Configuring PowerChute Settings
PowerChute allows customization of UPS behavior during power events. Access the settings menu to adjust sensitivity levels for power failures, determining when the UPS switches to battery power. Configure notification preferences – email or sound alerts – to inform you of status changes.
Schedule automatic system shutdowns to prevent data loss during extended outages. Adjust the low battery threshold to initiate shutdown at a safe reserve level. Explore advanced options like energy cost monitoring and reporting. Regularly review and update these settings to match your specific needs and ensure optimal protection.
Remote Monitoring Capabilities
APC’s PowerChute software enables remote UPS monitoring and control. Utilizing a USB connection, you can access the UPS status, battery health, and event logs from a connected computer. Some models support network connectivity for broader access.
Receive real-time alerts via email or SNMP traps regarding power events, battery status, and potential issues. This allows proactive management and troubleshooting, even when physically distant from the UPS. Remote power cycling capabilities may also be available, offering convenient control over connected equipment.

Troubleshooting Common Issues
Common problems include the Back-UPS failing to power on, battery charging issues, or overload conditions. Refer to the manual for specific diagnostic steps.
Back-UPS Not Powering On
If the Back-UPS fails to power on, first ensure it’s securely connected to a working wall outlet. Verify the power switch is in the “On” position; the indicator light should illuminate. If it remains unresponsive, disconnect all connected equipment and attempt to power on again.
A faulty battery can also prevent startup; consider a battery test or replacement if the unit still doesn’t activate. Check the fuse, if applicable, and consult the full user manual for detailed troubleshooting steps and contact information for APC support if the issue persists. Connected equipment must be on for proper function.
Battery Not Charging
If the Back-UPS battery isn’t charging, confirm the unit is plugged into a functioning wall outlet and powered on. Allow sufficient charging time – it can take several hours for a depleted battery to fully recharge. Check the front panel indicators; a flashing battery icon often signals a charging issue.
A failing battery is a common cause; consider a battery test using the PowerChute software or a replacement if needed. For continued issues, contact APC technical support for further assistance and potential service options. The device may require maintenance.
Overload Conditions
An overload occurs when the total power demand of connected devices exceeds the Back-UPS 650’s capacity. This triggers an alarm and may cause the unit to shut down to protect itself. Disconnect non-essential equipment immediately to reduce the load.
Ensure connected devices are powered on; some may draw significant current even in standby mode. These devices may overload the UPS. Review the power requirements of all connected equipment and redistribute them across available outlets, prioritizing critical devices.

Battery Maintenance & Replacement
Regular battery maintenance ensures optimal performance and longevity. Replacement may be needed after 3-5 years, depending on usage and environmental factors.
Battery Life Expectancy
The typical battery life expectancy for an APC Back-UPS 650 is between 3 to 5 years. However, this duration is significantly influenced by several factors, including operating temperature, frequency of discharge, and the overall load connected to the UPS.
Higher temperatures accelerate the degradation process, shortening the battery’s lifespan. Frequent deep discharges, where the battery is drained considerably before recharging, also contribute to faster wear. Conversely, maintaining the battery in a cool environment and avoiding frequent deep cycles can extend its operational life.
APC recommends periodic self-tests to assess battery health and proactively plan for replacement when performance diminishes.
Replacing the Battery

To replace the battery, first disconnect the Back-UPS from the wall outlet and all connected devices. Carefully open the battery compartment, typically located on the rear panel. Disconnect the old battery and remove it for proper disposal – do not incinerate.
Connect the new, compatible APC replacement battery, ensuring correct polarity. Securely close the battery compartment. Reconnect the Back-UPS to the power outlet and perform a self-test to verify proper operation.
Always use a compatible battery to maintain the UPS’s performance and safety features.
Battery Disposal Guidelines
Used batteries contain hazardous materials and must be disposed of responsibly. Do not dispose of APC Back-UPS batteries in regular household waste. Instead, contact your local recycling center or waste management facility for proper disposal instructions.
Many communities offer battery recycling programs. APC encourages users to participate in these programs to minimize environmental impact.
Never attempt to incinerate or disassemble the battery pack. Proper disposal ensures compliance with environmental regulations and protects both human health and the environment.

Technical Specifications
The APC Back-UPS 650 offers 650VA/390W capacity, 230V input/output voltage, and varying runtime depending on the connected load.
Input/Output Voltage
The APC Back-UPS 650 is designed to operate with a nominal input voltage of 230V. This makes it suitable for use in regions with this standard voltage. The unit automatically regulates the output voltage to 230V, providing stable power to connected devices, even during minor voltage fluctuations.
It’s crucial to ensure your wall outlet supplies the correct voltage to avoid damage to the UPS or connected equipment. The Back-UPS converts the incoming AC power to DC for battery charging and then back to AC for output, maintaining a consistent 230V supply.
Capacity and Runtime
The APC Back-UPS 650VA offers a capacity of 650 Volt-Amps (VA) or 390 Watts. Runtime varies significantly based on the load connected. With a typical desktop computer and monitor, expect approximately 5-10 minutes of battery backup during a power outage.
Heavier loads, like multiple devices or those with high power consumption, will reduce runtime. The unit’s capacity allows it to handle short power interruptions, providing enough time to safely save work and shut down equipment. Monitoring software can help estimate runtime based on current load.