Nigeria's power grid has improved in many areas, but voltage fluctuations, brownouts, and sudden outages remain a real risk — particularly outside major city centres. For a PC with components worth ₦2,000,000+, a UPS is basic insurance.
What a UPS Protects Against
A UPS (Uninterruptible Power Supply) provides protection against:
- Sudden power outages: The battery kicks in instantly, giving you time to save work and shut down properly
- Voltage spikes and surges: Brief spikes from grid switching can damage PSUs and motherboards
- Brownouts: Low voltage conditions that cause instability and can damage motors and drives
What a UPS Does NOT Fully Protect
- Sustained power cuts: UPS batteries provide 10–30 minutes of runtime for a typical desktop at load. Not a generator replacement.
- Lightning strikes: A direct strike or a very close one can overwhelm any surge protection. Unplug during severe storms.
Choosing the Right UPS Capacity
UPS capacity is rated in VA (volt-amps) or watts. For a desktop PC:
- Mid-range gaming PC (~300–450W draw): 1000VA / 600W UPS minimum
- High-end gaming PC (~500–700W draw): 1500VA / 900W UPS
- Workstation with RTX 4090 (~700W+ draw): 2000VA / 1200W UPS
Always size for your system's maximum draw plus a monitor. Never exceed 80% of the UPS rated capacity.
Line-Interactive vs. Offline UPS
Offline/Standby: Switches to battery when power cuts. Short transfer time (4–10ms) — most PCs tolerate this fine. The budget choice.
Line-Interactive: Regulates voltage constantly, switching to battery only when necessary. Better protection against brownouts and fluctuations. This is what we recommend for Nigeria's grid conditions.
Online/Double-Conversion: Always running on battery/inverter. Perfect power output but expensive and inefficient. Overkill for most desktops; relevant for servers and critical workstations.
Our Recommendation
For any desktop PC in Nigeria worth more than ₦800,000, a line-interactive UPS is a non-negotiable purchase. The cost of losing a motherboard or GPU to a single power event dwarfs the cost of a good UPS.