VanPowerCalc
Size your van battery, solar & wiring in 60 seconds — free
What it does
Building a van and tired of guessing wire sizes, battery capacity, or how many solar panels you need? VanPowerCalc does the math for you. Enter your appliances, pick your battery type, and get instant results: battery size, solar wattage, wire gauge, and fuse ratings. No signup, no ads, 100% free. Built for vanlifers, overlanders, and anyone doing a 12V electrical build.
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Hey we are Computable. We spent years building trading infrastructure at Jump Trading and Coinbase. From that point of view, compute looks like energy markets before 2000: everything trades through private bilateral leases, there’s no visible price, and nothing can be resold. The same H100 rents at a 2x spread depending on who’s asking, and once you sign a 24-month lease, it can never change hands. So we built a market for GPU nodes, sold by the calendar week. Here are three things you can do on it that you can’t do anywhere else: - Buy exactly the weeks you need. Three nodes for the last…
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