BatteryRealData.com, a project by DIY500AMP.com
Lab results, not operating instructions.

Real cells. Same current. Honest comparison.

See which cell holds voltage, capacity, and temperature best.

Step 1 of 3

Choose tests

Select a current, then add the cells you want to compare.

Choose by purpose Start with the job
Loading cells...

Step 2 of 3

Explore the plot

One clear metric at a time, with the same simple workflow on a larger screen.

Voltage over capacity
Select tests to draw a plot.

Quick read

What stands out

Step 3 of 3

Read results

Rank the same tests by the number that matters to you.