micmacbacsi7 years ago • purchased this product000purchased this productGreat device to care for your batteries.Except for the noise it makes, this is a great device to get to know your batteries' well-being better.ProA lot of featuresHas a mobile app so you can control it via bluetooth and a windows app so you can control it via usbContraNoisy (makes a loud high-pitched sound in some stages of charging)Comment