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VBatPower simulates how long your battery lasts, how much power your circuit draws, and how it discharges over time — for IoT, embedded, and portable electronics. 438 verified formulas, 12 converters, units-aware calculator flows, and MCU telemetry. Free in beta.
Hey Product Hunt,
I built VBatPower because estimating battery life for a small electronics project usually means a spreadsheet, a datasheet, and a lot of unit-conversion mistakes. I wanted one place where the numbers stay honest.
What it does:
Battery-life model — describe your device as batteries → components → states with duty cycles, and get a discharge estimate.
438 formulas across 32 categories — Ohm's law to RF link budgets — solve for any variable, with built-in unit selectors. Every formula is checked against an independent reference implementation, so the numbers you get are the numbers you can trust.
Calculator flows — chain inputs, library formulas, and your own expressions over one shared namespace; everything recomputes live and is dimension-checked, so you can't accidentally add volts to amps.
Real measurements — log current/voltage from an Arduino, ESP32, or STM32 as a simple CSV and chart the actual discharge curve against your prediction.
It's browser-native, free while in beta, and you don't need an account to start. A free account just syncs your projects across devices and unlocks the REST API.
I'd love feedback on the formula coverage and the flow builder especially — what's missing for your workflow? Happy to answer anything here.
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About VBatPower on Product Hunt
“Battery-life & power simulation for electronics”
VBatPower was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #99 on the daily leaderboard. VBatPower simulates how long your battery lasts, how much power your circuit draws, and how it discharges over time — for IoT, embedded, and portable electronics. 438 verified formulas, 12 converters, units-aware calculator flows, and MCU telemetry. Free in beta.
VBatPower was featured in Design Tools (261.8k followers), Hardware (11.4k followers) and Developer Tools (517.5k followers) on Product Hunt. Together, these topics include over 124.4k products, making this a competitive space to launch in.
Who hunted VBatPower?
VBatPower was hunted by Bogdan “Bodo” Dumitrescu. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Bogdan “Bodo” Dumitrescu