CampPowerCalc
Calculate exact battery + solar for your van build
CampPowerCalc launched on June 19, 2026 with 2 votes.
What it does
Stop guessing your van power needs. CampPowerCalc is a free electrical calculator with 30+ real appliances. Get daily Wh, battery size, and solar wattage in one click. Features: real appliance database, inverter loss calculation, 20% safety buffer, alternator charging guidance. No signup. No email capture. No affiliate links. Built by a van builder tired of lead-gen calculators pretending to be free.
How much power do I need for vanlife? Size your battery bank, solar array, and inverter in seconds with real appliance data.
Calculate how much power, battery, and solar you actually need for vanlife, RV camping, or off-grid living. No guesswork — just real appliance data and physics-based math. Calculate exactly how much battery, solar, and inverter capacity you need for your camper van conversion. Free van electrical system calculator with real appliance data. Battery sizing made simple. Calculate exactly what size solar generator or portable power station you need to run your CPAP machine safely while camping overnight. Stop guessing which power station fits a Tesla Camp Mode setup. Enter your gear and get the exact battery capacity you need in 60 seconds. Calculate the perfect dual-battery or solar generator…from camppowercalc.com
Does a similar job
all alternatives →
Energy CalculatorsNov 2025 · energycalculator.blog · ▲5Smart tools to calculate, compare ,optimize your power usage
Camp Amp: Caravan EHUJun 2026 · deadcoolapps.lovable.app · ▲4Check campsite power before you plug in
More dev tools this month
the category →
open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.
Dev tools · 28d ago · github.com
Contribute to reladraw/reladraw development by creating an account on GitHub.
Dev tools · 26d ago · github.com
OpenBot▲362Grok Bot alternative: free, local, open-source, multiplayer
Dev tools · 23d ago · openbot.run
Talanoa▲346Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…
Dev tools · 21d ago · talanoa.email
CoreSpeed▲332One MCP for everything your agents need: apps, memory, tools
Dev tools · 28d ago · corespeed.io
Source: Product Hunt launch ↗
Launched alongside, June 2026
the whole month →
Fundraisly▲1,537AI fundraising agent that finds investors and books meetings
AI · Jun 2026 · fundraisly.com
Homebrew 6.0.0▲1,481Today, I’m proud to announce Homebrew 6.0.0. The most significant changes since 5.1.0 are a new tap trust security mechanism, the new faster, smaller, default internal Homebrew JSON API, sandboxing on Linux, better defaults informed by our user survey, many brew bundle improvements, improved performance and initial support for macOS 27 (Golden Gate). Happy to discuss any questions here!
Dev tools · Jun 2026 · brew.sh
Hi HN! I was super frustrated at apps like tiktok and wechat preventing me from saving or downloading the animated gifs, so I made a little tool to turn a screen recording into a slack-sized emoji. Hope you get some value from this!
Life & fun · Jun 2026 · vorpus.github.io
Search 18 years of Hacker News and chart how any topic, tool, or person trended. Overlay terms to compare their rise and fall across 45M posts and comments.
Life & fun · Jun 2026 · hackernewstrends.com