You are downloading the Battery XAP file v188.8.131.52 for Windows Phone. Battery is a free and useful Productivity app: Battery is a nice and simple battery management app. It displays the current status of your battery, how much time you have before the phone turns ... You can now download the offline XAP file to install & try it.
Download Locations for Battery 184.108.40.206 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Battery XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.