Inverter Battery Calculator is a free Android application developed by deephost, falling under the category of Utilities & Tools. As the name suggests, the app is designed to help users calculate their inverter battery backup time and the time it takes for the battery to fully charge.

The app provides users with the ability to convert watts to amps or amps to watts, which is a helpful feature for those who need to calculate their power consumption. Additionally, users can determine the battery Ah required for a specific load and check their battery's current percentage with the load.

Overall, Inverter Battery Calculator is a useful application for those who rely on inverters for power backup. It is easy to use and provides accurate calculations. However, the app lacks any extra features or customization options.