With this app you can manage ? events like flights, charge and discharge, flight ? models and their ? batteries. The following functions are provided or rather you can see:? Creating and modifying models with these features: number, name, picture of model, purchase date, number of flights, type of battery, etc.? Creating and modifying of batteries with the properties: number, name, picture of the battery, purchase date, capacity, type, capacity used, number of flights, charging cycles, condition and fill level.? Creating and modifying events. – Flight with properties: flight date and time, special features (crash, deep discharge, other), consumed capacity and endurance. – Charging with properties: date, time and charged capacity. – Unloading with properties: date, time and discharged capacity.? New events can be created quickly and easily.? An overview for all events and for each model and battery.? Backup to SD-Card? Restore form SD-Card by selecting one of all backups (the backups are stored in the /mnt/sdcard/data/RC-Heli-Battery folder)? Sync with my sync server (Usually the service is available, but I can not guarantee.)? Charts for analyses (Number of flights, flight time, usage per day, week, month or year for a selected model or battery)? Support for Pulsar3 charger.? For devices with NFC: Handle NFC tags to call the app or the Pulsar3 – UI with automatic connection and for battery and model selection.Detailed description: http://www.wruck.biz/html/rc-heli-battery.htmlManual: http://www.wruck.biz/html/manual—anleitung.htmlFull version historie: http://www.wruck.biz/html/version-history.html