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Articles, reviews, useful tips
All materialsHow to choose a surge protector
We consider from different angles the issues of protecting household appliances from too high or low voltage
How to calculate the battery life of home and computer equipment
How long will a conditional computer or refrigerator last from the UPS during power outages?
How does a UPS differ from an inverter?
Which device to choose in case of emergency power outages — UPS or inverter?
Common battery types
Pros and cons of common types of batteries