JSCalc

The battery depth of discharge calculator turns one of the most misunderstood specs into a clear number. This one clears up a confusing spec. Depth … Read More

The second is a quick health check: You read the voltage on your battery and determine its state of charge. A calculator plots that one … Read More

When most people begin designing their battery pack, they knows what voltage they want, maybe twenty-four volts for a solar shed, or forty-eight volts for … Read More

Running in parallel mean that you can extend your battery life without increasing system voltage. This is simple enough, yet many novices will mistake parallel … Read More

The usual method for constructing a higher-voltage pack with battery cells are to wire them in series. That’s when you connect the positive terminal of … Read More

Whether you’re a van lifer or just own a phone, it happens to all of us: you’ve got to go right now, but your phone … Read More

When an e-bike’s range evaporates on cold mornings or a drone battery swells mid-flight, that’s typically not bad luck. That’s battery trouble; specifically, a mismatch … Read More

Milliamps per hour are tiny, but they count when its time to face the desk at airport security. Airline regulations specifies batteries by watt-hours, just … Read More

When buying a battery, you see something like “100 amp hours” on the box. That’s half the story. It measures how much charge is in … Read More

So then what does the supercapacitor runtime calculator do? It help you answer the simple question: how long will this device last in my circuit … Read More