Elgato Smart Power Portable Batteries, Black (10027600) Three full charges for your iPhone, on-the-go. Adaptive charging with automatic high power output: charge your iPad quickly. PowerMinders: automatic notifications when it's time to refill. Calendar integration: get reminders to take it along on a busy day. App empowered: get detailed information right on your iPad or iPhone. Find Elgato Smart Power by letting it play a sound.