1. Introduction
This manual provides instructions for the safe and effective installation, operation, and maintenance of your UPS Battery Center BE500 replacement battery. This battery is designed as a 100% compatible replacement for the APC BackUPS ES 500VA unit.
2. Safety Information
Please read and understand all safety instructions before handling or installing the battery. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always wear appropriate personal protective equipment (PPE), including safety glasses and insulated gloves, when handling batteries.
- Do not short-circuit the battery terminals. This can cause severe burns and damage to the battery.
- Do not expose the battery to open flames, excessive heat, or direct sunlight.
- Do not disassemble, puncture, or modify the battery.
- Keep batteries out of reach of children.
- Dispose of used batteries according to local regulations. Do not dispose of batteries in household waste.
- If battery acid comes into contact with skin or eyes, flush immediately with plenty of water and seek medical attention.
3. Package Contents
Verify that all items are present in the package:
- 1 x UPS Battery Center BE500 Replacement Battery
- This User Manual
4. Setup and Installation
This battery is designed for easy, plug-and-play installation. Refer to your APC BackUPS ES 500VA user manual for specific instructions on battery replacement, as procedures may vary slightly by UPS model. The following steps are general guidelines:
- Power Down UPS: Ensure the APC BackUPS ES 500VA unit is completely powered off and disconnected from the AC power outlet.
- Locate Battery Compartment: Identify and open the battery compartment on your APC BackUPS ES 500VA. This is typically located on the bottom or rear of the unit.
- Disconnect Old Battery: Carefully disconnect the terminals of the old battery. Note the polarity (positive and negative) before removal.
- Remove Old Battery: Slide out the old battery from the compartment.
- Insert New Battery: Insert the UPS Battery Center BE500 replacement battery into the compartment, ensuring it fits correctly.
- Connect New Battery: Connect the battery terminals, ensuring correct polarity. Typically, red connects to positive (+) and black to negative (-).
- Close Compartment: Securely close the battery compartment.
- Power On UPS: Reconnect the UPS to AC power and power it on. Allow the UPS to charge the new battery for at least 24 hours before relying on it for backup power.

Image of the UPS Battery Center BE500 replacement battery, designed for APC BackUPS ES 500VA units. This image shows the battery's form factor and terminals, aiding in visual identification during installation.
5. Operating Instructions
The UPS Battery Center BE500 is a sealed lead-acid battery designed to function within your APC BackUPS ES 500VA unit. Once installed and fully charged, it will provide backup power to connected devices during power outages. The operation of the battery is managed by the UPS unit itself.
- Ensure the UPS is connected to a live AC outlet and the battery is properly installed.
- The UPS will automatically charge the battery and switch to battery power during an outage.
- Refer to your APC BackUPS ES 500VA manual for specific operational details, including battery test functions and runtime estimates.
6. Maintenance
Proper maintenance extends the life of your battery. The UPS Battery Center BE500 is a maintenance-free sealed lead-acid battery, but general care for the UPS unit is recommended.
- Regular Charging: Keep the UPS connected to AC power to ensure the battery remains fully charged.
- Temperature: Store and operate the battery within recommended temperature ranges (typically 20-25°C or 68-77°F) to maximize lifespan. Extreme temperatures can reduce battery life.
- Cleaning: Keep the battery and UPS compartment clean and free of dust. Do not use liquid cleaners directly on the battery terminals.
- Periodic Testing: Perform periodic battery self-tests using your UPS unit's built-in functions (refer to your UPS manual).
7. Troubleshooting
If you experience issues with your UPS or battery, consider the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| UPS not providing backup power. | Battery not fully charged or improperly connected. | Ensure UPS is connected to AC power and allow 24 hours for initial charge. Verify battery connections are secure and correct polarity. |
| UPS beeps continuously or indicates battery fault. | Battery may be faulty or at end of life. | Perform a battery self-test via the UPS. If the fault persists, the battery may need replacement. Contact support if within warranty. |
| Short runtime on battery power. | Battery not fully charged or connected devices exceed UPS capacity. | Ensure battery is fully charged. Reduce the load on the UPS by disconnecting non-essential devices. |
For more detailed troubleshooting, consult the original APC BackUPS ES 500VA user manual.
8. Specifications
| Feature | Detail |
|---|---|
| Model | BE500 (Replacement for APC BackUPS ES 500VA) |
| Battery Type | Sealed Lead Acid (SLA) |
| Voltage | 12 Volts |
| Compatibility | 100% Compatible Replacement for APC BackUPS ES 500VA (Model BE500) |
| Installation | Easy Installation, Exact fit - Plug & Play |
| Condition | Arrives fully charged and ready to go |
9. Warranty Information
This UPS Battery Center BE500 replacement battery comes with a One (1) Year Replacement Warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
The warranty does not cover damage caused by improper installation, misuse, abuse, neglect, unauthorized modification, or natural disasters. Proof of purchase is required for all warranty claims.
10. Support
For technical assistance, warranty claims, or further inquiries regarding your UPS Battery Center BE500 replacement battery, please contact UPS Battery Center customer support.
Please have your purchase details and the product model number ready when contacting support.
Manufacturer: UPS Battery Center
For contact information, please refer to the seller's details on your purchase platform or visit the official UPS Battery Center website.





