If you're looking to Download BattMan on your Chromebook laptop Then read the following guideline.

If you own an EV, you know that sometimes you need to estimate how long a charge will take. This app allows you to easily (and stylishly) do that, AND get the cost of that charge. Enter the power of your charger, the capacity of the battery, and the charge levels to get an estimated time. If you add the price of the power it will calculate the total cost too.