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Backup power guides
Short guides with numbers computed from our published product data and calculator.
Generator vs battery backup
Run time, fuel, noise, carbon monoxide, surge and upkeep of generators and batteries, with figures from published specs.
Transfer switch vs interlock kit vs power inlet
What each part does, why backfeed is dangerous, and when an electrician and a permit are needed.
Backup power for a well pump
Running and starting watts of common pumps, and how many published products can start them.