If you’re a victim of severe battery drain on the Surface Pro 3 tablet, we’ve got some good news for you today — a fix has been released for customers. Interestingly, Microsoft says that the battery drain only affected a “limited number” of Surface Pro 3 devices.

In short, the battery’s full charge capacity was being reported incorrectly

Source: Hot Hardware – Microsoft Fixes Crippling Surface Pro 3 Battery Drain With Firmware Update