Description
Protect your valuable electronics and enjoy dependable backup power with the Crown Micro CMU-850D 850VA Uninterruptible Power Supply (UPS).
The Crown Micro CMU-850D UPS is a practical power backup solution designed to protect essential electronic devices against unexpected electricity outages and interruptions.
Featuring an 850VA power capacity and a durable metal casing, this UPS provides temporary battery backup for compatible desktop computers, monitors, networking devices, and essential office equipment.
Designed for everyday reliability, the Crown Micro CMU-850D helps users save important work, safely shut down connected devices, and minimize disruptions caused by sudden power failures.
Whether you’re working from home, managing a small business, or protecting essential electronic equipment, this UPS provides a convenient solution for everyday backup power requirements.
Key Features & Benefits
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850VA Power Capacity: Provides backup electricity for compatible computers, monitors, routers, and other low-power electronic devices.
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Reliable Battery Backup: Supplies temporary power during outages, allowing users to save important files and safely shut down equipment.
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Durable Metal Casing: Features sturdy metal construction designed for everyday home and office use.
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Power Interruption Protection: Helps reduce unexpected shutdowns caused by sudden electricity failures.
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Data Protection: Provides time to save important documents before connected computers lose power.
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Reduced Downtime: Helps minimize disruptions to everyday work and business activities.
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Versatile Applications: Suitable for compatible office computers, networking equipment, POS terminals, and security devices.
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Practical Tower Design: Convenient for installation near workstations, office equipment, and other compatible electronics.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Crown Micro |
| Product Model | CMU-850D |
| Product Type | Uninterruptible Power Supply (UPS) |
| Rated Capacity | 850VA |
| Casing Material | Metal |
| Primary Function | Battery Backup & Power Protection |
| Power Source | AC Mains with Battery Backup |
| Output Wattage | Requires Model Confirmation |
| UPS Technology | Requires Model Confirmation |
| Voltage Regulation | Requires Model Confirmation |
| Battery Configuration | Requires Model Confirmation |
| Form Factor | Tower |
| Applications | Home, Office & Small Business |
Ideal Applications
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Home Offices: Protect compatible desktop computers, monitors, and essential work equipment.
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Business Workstations: Provide temporary battery backup for office computers and peripherals.
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Networking Equipment: Support compatible Wi-Fi routers, modems, and network devices during brief electricity interruptions.
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Retail & POS Systems: Help prevent unexpected shutdowns of compatible payment terminals and retail equipment.
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Security & Surveillance Systems: Provide backup electricity for compatible CCTV cameras, DVRs, and security equipment.
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Educational Environments: Protect computers and essential electronic learning devices.
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Small Businesses: Reduce disruptions caused by unexpected electricity outages.
Why Choose the Crown Micro CMU-850D UPS?
Unexpected electricity interruptions can disrupt important tasks, cause data loss, and affect daily productivity.
The Crown Micro CMU-850D UPS offers a practical solution by providing temporary battery backup for compatible electronic equipment.
Its 850VA capacity, sturdy metal casing, and convenient design make it a suitable option for home users, office professionals, and small businesses seeking dependable everyday power protection.
Protect your electronics. Reduce downtime. Stay productive with the Crown Micro CMU-850D 850VA UPS.
Additional Verified Technical Specifications
Crown Micro’s official UPS brochure confirms these specifications for the CMU-850D Metal UPS.
Crown Micro Global
| Specification | Details |
|---|---|
| Brand | Crown Micro |
| Model | CMU-850D |
| Rated Capacity | 850VA / 480W |
| Casing | Metal |
| Battery Configuration | 1 × 12V/9Ah |
| Battery Recharge Time | Approximately 6–8 hours |
| Nominal Voltage Options | 220/230/240V AC |
| Output Waveform (Battery Mode) | Simulated Sine Wave |
| Transfer Time | 8ms typical, 10ms maximum |
A Nigerian product listing also identifies the CMU-850D as a line-interactive UPS with Automatic Voltage Regulation (AVR).




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