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🔋 Battery Discharge Curve — Voltage vs State of Charge (2D)

Interactive 2D Li-ion battery discharge-curve simulator: real Nernst/OCV-based open-circuit voltage, internal-resistance IR drop under load, adjustable C-rate and capacity, and the real low-SoC voltage knee.

Energy & Thermodynamics2DModerate60 FPS📱 Mobile-adapted⇄ 3D version

⚙ Under the hood

Interactive 2D companion to the battery electrochemistry simulator: watch a lithium-ion cell's real Nernst-based open-circuit voltage curve, internal-resistance IR drop under load, and the voltage knee at low state of charge. Adjust C-rate, capacity, and internal resistance to see how usable capacity changes.

batteryelectrochemistrydischarge curveenergyvoltagelithium-ion

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install