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How does a UPS differ from an inverter?
Which device to choose in case of emergency power outages — UPS or inverter?

Li-Ion or LiFePO4: What’s best for charging station and UPS?
Understand the strengths and weaknesses of lithium batteries used in charging stations and UPS

Common battery types
Pros and cons of common types of batteries

Useful gadgets for programmers that increase efficiency
USB hub, widescreen monitor, comfortable chair and other useful gadgets for coders and IT industry workers