APC Back-UPS 1100VA 550W BX1100LI-MS Line Interactive UPS with AVR & Surge
APC Back-UPS 1100VA 550W BX1100LI-MS Line Interactive UPS with AVR & Surge Protection
The APC Back-UPS BX1100LI-MS 1100VA 550W is a line-interactive uninterruptible power supply designed to provide battery backup and electrical protection for desktop computers, networking equipment, CCTV systems, POS terminals and compatible office electronics.
Manufactured by APC by Schneider Electric, it features Automatic Voltage Regulation (AVR), surge protection, intelligent battery management and automatic self-testing. It helps stabilise incoming voltage fluctuations and maintain temporary power during unexpected electricity interruptions.
With 1100VA capacity and 550W output, it is suitable for home offices, small businesses, retail shops and professional workstations.
Product Specifications
Specification | Details |
Brand | APC by Schneider Electric |
Product Series | Back-UPS |
Model | BX1100LI-MS |
Product Type | Line Interactive UPS |
Rated Capacity | 1100VA |
Maximum Output Power | 550W |
Nominal Input Voltage | 230V AC |
Nominal Output Voltage | 230V AC |
Input Voltage Range | 150–280V AC |
Input Frequency | 50/60Hz Auto-Sensing |
Output Frequency | 50/60Hz |
Output Waveform | Stepped Approximation to Sine Wave |
Voltage Regulation | Automatic Voltage Regulation (AVR) |
Transfer Time | 4ms typical, 6ms maximum |
Output Connections | Universal and IEC sockets |
Communication | LED Status Display and Audible Alarms |
Battery Type | Maintenance-Free Sealed Lead-Acid |
Replacement Battery | APC RBC17 |
Battery Recharge Time | Approximately 6 hours |
Surge Protection | 273 Joules |
Installation Format | Tower |
Key Features and Benefits
1100VA / 550W Capacity: Provides backup power for compatible computers and office electronics.
Automatic Voltage Regulation: Boosts low voltage and reduces high voltage without unnecessarily switching to battery.
Line-Interactive Technology: Combines voltage regulation with battery backup during power interruptions.
Surge Protection: Helps protect connected equipment against electrical surges and spikes.
Universal and IEC Connections: Supports compatible computer and electronic equipment.
Intelligent Battery Management: Helps optimise battery charging, performance and service life.
Automatic Self-Test: Checks battery condition and helps identify replacement requirements.
LED Status Display: Provides visual information about mains power, battery operation, overload and battery condition.
Audible Alarms: Alerts users to power interruptions, low battery and overload conditions.
Resettable Circuit Breaker: Supports recovery from overload conditions.
Recommended Applications
Suitable for compatible low-power electronic equipment, including:
Desktop computers and monitors.
Wi-Fi routers and internet modems.
CCTV DVR and NVR systems.
Network switches and networking equipment.
POS terminals and retail systems.
Home office and small business workstations.
Compatible office electronics.
Power Capacity: Connected equipment must remain within the maximum 550W output rating. Actual backup time depends on connected load, battery condition and charge level.
Avoid connecting laser printers, photocopiers, heaters and other high-power appliances.
Battery and Compatible Accessories
Component | Specification |
Replacement Battery Cartridge | APC RBC17 |
Battery Technology | Sealed Lead-Acid |
Power Connections | Compatible IEC and universal power cables |
Replacement Components | Compatible APC UPS service parts |
Verify the exact UPS model and battery cartridge before ordering replacement components.
Buy APC Back-UPS 1100VA in Nairobi, Kenya
Looking for an APC Back-UPS 1100VA 550W UPS for your home, office or business?
Printer Repair Service Nairobi Kenya supplies UPS systems, computer accessories, printer consumables, replacement parts and technical support.
Contact us for:
APC Back-UPS 1100VA prices and availability.
APC UPS replacement batteries.
Computer and office backup power solutions.
UPS accessories and power cables.
Networking and power protection equipment.
Printer repair, diagnostics and maintenance.
Business: Printer Repair Service Nairobi Kenya
Phone: +254 720 556 824
Alternative Phone: +254 777 556 824
Website: https://www.vandebergimagingsupplies.com/
Contact us for current pricing, availability and purchasing enquiries.

