SolarBatteryBankCalc
For site owners

Free embeddable calculators for your site

Two of our calculators are available as a free embed — copy one snippet and a live, interactive calculator appears on your page. No account, no API key, no cost. We only ask for a visible credit link back, included in the snippet below.

Battery run-time calculator

Estimates how long a battery will power a given load, by capacity, voltage and chemistry. Good fit for appliance reviews, RV/van-life posts, or any article that mentions battery-powered devices.

<iframe src="https://solarbatterybankcalc.com/embed/run-time/" style="width:100%;max-width:480px;border:0;min-height:340px" title="Battery run-time calculator" loading="lazy"></iframe> <p style="font-size:12px;text-align:center;max-width:480px"> <a href="https://solarbatterybankcalc.com/tools/battery-runtime/" target="_blank" rel="noopener">Battery run-time calculator</a> by SolarBatteryBankCalc.com </p>

Battery bank size calculator

Sizes the battery bank (Ah) needed for a daily energy use, accounting for chemistry, depth of discharge, round-trip efficiency and temperature. Good fit for off-grid, solar, or DIY power-system articles.

<iframe src="https://solarbatterybankcalc.com/embed/battery-bank-size/" style="width:100%;max-width:480px;border:0;min-height:420px" title="Battery bank size calculator" loading="lazy"></iframe> <p style="font-size:12px;text-align:center;max-width:480px"> <a href="https://solarbatterybankcalc.com/tools/battery-bank-size/" target="_blank" rel="noopener">Battery bank size calculator</a> by SolarBatteryBankCalc.com </p>

Terms

Free to embed on any site, commercial or personal. The only condition is keeping the credit link visible and not modifying the calculator's output or removing the attribution. The widget is responsive and resizes to its container's width down to about 280px; height is fixed per the snippet above, which fits the default state — add a little more if your layout wraps labels onto extra lines. Both calculators run entirely client-side inside the iframe; nothing a visitor enters is sent to us.

Want a different calculator embedded, a different size, or a version without the credit line for a link exchange or partnership? Get in touch.