Doubler With Serial — Laptop Battery

The software was designed for much older hardware. It "doubles" life by disabling ports like USB when not in use, which modern laptops already do automatically via "selective suspend".

The only real way to "double" your battery life today is with a high-capacity External Power Bank that supports USB-C Power Delivery. Laptop battery doubler with serial

If your battery percentage is jumping around, use a built-in calibration method or software like BatteryCare to reset the charge indicators. The software was designed for much older hardware