Ohm
A high-tech alternative to the lead-acid battery in your car
Ohm launched on August 13, 2015 with 102 votes, #377 of 3,588 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 11 years on.
What it does
Ohm is smart enough to keep you from accidentally draining your battery if you forget to turn your lights off. It will automatically turn itself off when it gets critically low, and then switch itself back on when you go to start your car. No more getting stranded with a dead battery. Unlike lead-acid or lithium-ion batteries, Ohm loves the cold. Have confidence your car will start no matter what. Lead-acid batteries last three years on average. Ohm lasts more than twice that. Six pounds. That's how much Ohm weighs. It's the easiest, most affordable way to instantly drop 30 pounds or more from your curb weight by switching from a lead-acid battery. Conventional car batteries contain…from getohm.com
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