1. Introduction
This manual provides essential information for the safe and efficient operation of your APC Back-UPS BE850M2. This Uninterruptible Power Supply (UPS) provides battery backup power and surge protection for electronic equipment, ensuring continuous operation during power outages and protecting against damaging power surges and spikes.
2. Safety Information
WARNING: Risk of Electric Shock
- The UPS contains internal batteries and may present a shock hazard even when disconnected from the AC outlet.
- Do not open or disassemble the UPS. There are no user-serviceable parts inside.
- Connect the UPS to a grounded outlet only.
- Do not use the UPS in direct sunlight, in contact with fluids, or where there is excessive dust or humidity.
CAUTION: Battery Safety
- Servicing of batteries should be performed or supervised by personnel knowledgeable of batteries and the required precautions.
- Do not dispose of batteries in a fire. The batteries may explode.
- Do not open or mutilate batteries. Released electrolyte is harmful to the skin and eyes. It may be toxic.
3. Package Contents
Verify that all contents are present upon receipt. If anything is missing or damaged, contact your dealer or APC.
- APC Back-UPS BE850M2 Unit
- User Manual (this document)
- Power Cord (integrated)
- USB Communication Cable
4. Product Overview
The APC Back-UPS BE850M2 features multiple outlets for connecting your devices, including battery backup and surge-only outlets, along with USB charging ports.
Figure 4.1: Front and Top View of the APC Back-UPS BE850M2. This image shows the overall design of the UPS, highlighting the arrangement of the outlets and the power button on the top surface.
Figure 4.2: Rear View of the APC Back-UPS BE850M2. This image illustrates the rear panel, showing the integrated power cord and the communication ports.
4.1. Front/Top Panel Features
- Power Button: Controls the power to the UPS and connected equipment.
- Battery + Surge Outlets (6): Provide battery backup power and surge protection. Connect critical equipment like computers, monitors, and external hard drives here.
- Surge Only Outlets (3): Provide surge protection only. Connect non-critical equipment like printers or scanners here.
- USB Charging Ports (2): Provide 2.4A shared power for charging mobile devices.
4.2. Rear Panel Features
- AC Power Cord: Integrated 5-foot power cord with a right-angle 3-prong wall plug (NEMA 5-15P) for connecting to a wall outlet.
- Data Line Protection Ports: (If applicable, not explicitly visible in images but common for UPS) Protects network or telephone lines from surges.
5. Setup
- Unpack the UPS: Carefully remove the UPS from its packaging.
- Connect the Battery: The battery may be disconnected for shipping. Refer to the battery compartment instructions (usually on the bottom or side) to connect the internal battery. Ensure a firm connection.
- Connect to AC Power: Plug the UPS power cord directly into a grounded 120V wall outlet. Do not use extension cords or surge protectors.
- Charge the Battery: Allow the UPS to charge for at least 24 hours before initial use to ensure maximum runtime. The unit will provide surge protection even if the battery is not fully charged.
- Connect Equipment:
- Plug critical equipment (e.g., computer, monitor, modem) into the Battery + Surge protected outlets.
- Plug non-critical equipment (e.g., printer, scanner, speakers) into the Surge Only outlets.
Figure 5.1: APC Back-UPS BE850M2 in a typical desk setup. This image demonstrates how the UPS can be integrated into a workspace, powering a computer, monitor, and charging mobile devices.
Figure 5.2: APC Back-UPS BE850M2 protecting an entertainment system. This image shows the UPS providing power and surge protection for a television, gaming console, and other media devices.
- Install Power Management Software (Optional): For Windows PCs, download and install APC's power management software from the official APC website. This software allows for automatic shutdown of your computer during extended power outages. Mac OS users can utilize native "Energy Saver" settings.
6. Operating
6.1. Powering On/Off
- To Power On: Press the power button once. The UPS will emit a short beep, and the power indicator will illuminate.
- To Power Off: Press and hold the power button until the UPS beeps and the power indicator turns off.
6.2. Understanding Indicators and Alarms
- Power On Indicator: Solid green when the UPS is providing AC power.
- On Battery Indicator: Flashes when the UPS is operating on battery power during an outage.
- Battery Alarm: Beeps every 30 seconds when the UPS is on battery power.
- Low Battery Alarm: Rapid beeping (every 4 seconds) when the battery is critically low, indicating imminent shutdown.
- Overload Alarm: Continuous tone indicating that connected equipment exceeds the UPS's capacity. Disconnect non-essential equipment immediately.
6.3. USB Charging Ports
The two USB charging ports provide a shared 2.4A output for charging smartphones, tablets, and other USB-powered devices. These ports are always active when the UPS is connected to AC power, regardless of the UPS's power state.
7. Maintenance
7.1. Battery Replacement
The typical battery life for the APC Back-UPS BE850M2 is 3-5 years. When the battery needs replacement, the UPS will typically indicate this through an alarm or indicator light. The replacement battery part number is RBC17. Follow the instructions provided with the replacement battery for safe installation.
- Always power off the UPS and disconnect it from the AC outlet before replacing the battery.
- Recycle old batteries properly. Do not dispose of them in regular trash.
7.2. Cleaning
Clean the exterior of the UPS with a soft, dry cloth. Do not use liquid cleaners or aerosol cleaners. Ensure ventilation openings are clear of dust and debris.
7.3. Storage
If storing the UPS for an extended period, charge the battery every 3-6 months to prevent battery degradation. Store in a cool, dry place.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| UPS does not turn on. | Battery not connected or low charge. | Ensure battery is properly connected. Charge for 24 hours. |
| UPS beeps continuously. | Overload condition. | Disconnect non-essential equipment from battery backup outlets. |
| UPS operates on battery frequently. | Poor incoming AC power. | Consult an electrician to check building wiring. |
| Short battery runtime. | Battery is old or not fully charged. | Charge for 24 hours. If issue persists, replace battery (RBC17). |
9. Specifications
| Feature | Specification |
|---|---|
| Model | BE850M2 |
| Capacity | 850VA / 450W |
| Input Voltage | 120 Volts |
| Battery Type | Sealed Lead Acid |
| Battery Life (Typical) | 3-5 Years |
| Replacement Battery | RBC17 |
| Outlets | 9 (6 Battery + Surge, 3 Surge Only) |
| USB Charging Ports | 2 (2.4A shared) |
| Power Cord Length | 5 feet |
| Dimensions (H x W x D) | 9"H x 14"W x 17"D (approximate) |
| Color | Black |
10. Warranty and Support
The APC Back-UPS BE850M2 is backed by APC's 3-YEAR warranty. This warranty covers defects in materials and workmanship under normal use. Additionally, the product includes a $75,000 Connected-Equipment Policy, providing peace of mind for your connected devices.
For technical support, warranty claims, or further information, please visit the official APC website or contact APC customer service. Ensure you have your product model number (BE850M2) and serial number ready when contacting support.
Online Resources: www.apc.com
