LI ION 2600MAH

Charging a 20kWh Battery at 1C

Let’s cut through the jargon first. When someone says “1C current”, they’re talking about charging a battery at a rate equal to its total capacity. For a 20kWh battery, that’s 20kW of power. In theory? One hour to full charge. But here’s the kicker—real-world charging isn’t a perfect math equation.