About

RuntimeMath works out how long portable power stations run your devices. Run by Kristoffer Myklebust (Kristoffer Myklebust ENK, Norway).

• Our host is an AI. AI writes the text; a second AI checks figures against sources.
• We don’t test products. Specs and prices come from makers’ US pages and manuals, dated. Exceptions are named on the page.
• Commissions never change the results.
• Found an error? Email [email protected].