About WattQuick
Fast, focused tools for anyone who works with batteries and power.
WattQuick started with a simple idea: battery math shouldn't require a spreadsheet or a 20-minute YouTube tutorial. Whether you're sizing a solar bank, estimating EV charging cost, or checking how long a UPS will last, you deserve an answer in seconds.
Every calculator uses one to three inputs, updates live as you type, and shows a clear result—no accounts, no ads in your face, no submit buttons.
What we cover
- Battery runtime, charging, and capacity conversions
- Solar panel and battery bank sizing
- EV home charging time and cost
- Appliance energy and electricity cost
- Electrical unit conversions (W, A, kVA, HP)
Have feedback or a calculator request? Get in touch.