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Car batteries, jump starters and chargers

I Tested the Most Hyped Car Battery Chargers – One Stood Out!

Jul 2025 · 19 min · 13 products tested

His winner

NOCO Genius 5

It can charge completely dead batteries and charges faster than the Genius 1

Results, round by round

Peak Energy Use

Higher is better, in watts10 of 13 products have agreed numbers, so no leader is marked
  1. 1Sweter86wattsAmazon
  2. 2ECO-WORTHY79wattsAmazon
  3. 3Hulkman78wattsAmazon
  4. 4NOCO Genius 572wattsAmazon
  5. 5CTEK65wattsAmazon
  6. 6Battery Tender63wattsAmazon
  7. 7GOOLOO60wattsAmazon
  8. 8MOTOPOWER26wattsAmazon
  9. 9Black+Decker18wattsAmazon
  10. 10NOCO Genius 113.3wattsAmazon

Operating Temperature

Lower is better, in degrees Fahrenheit11 of 13 products have agreed numbers, so no leader is marked
  1. 1Battery Tender70degrees FahrenheitAmazon
  2. 2Hulkman73degrees FahrenheitAmazon
  3. 3Sweter83degrees FahrenheitAmazon
  4. 4NOCO Genius 1100degrees FahrenheitAmazon
  5. 5GOOLOO100degrees FahrenheitAmazon
  6. 6NOCO Genius 5105degrees FahrenheitAmazon
  7. 7ECO-WORTHY112degrees FahrenheitAmazon
  8. 8Black+Decker118degrees FahrenheitAmazon
  9. 9MOTOPOWER140degrees FahrenheitAmazon
  10. 10CTEK144degrees FahrenheitAmazon
  11. 11HECHOBO155degrees FahrenheitAmazon

Everything he tested

Results were read from the video's captions by two AI models, and only the numbers both agree on and that he says out loud are shown. Some results appear only on screen in the video. Check the video before you buy.