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All materialsLi-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
Useful gadgets for programmers that increase efficiency
USB hub, widescreen monitor, comfortable chair and other useful gadgets for coders and IT industry workers
How to choose UPS
Methods for choosing UPS for boiler, computer, refrigerator and other equipment
How to choose UPS battery
What are the UPS battery technologies, how to calculate their required capacity and correctly take into account the charging current?