With the launch of Kalina, even in frost, the launcher coped with one, rarely two approaches. But over time, the power dropped. Starting up is still easy, but the crocodiles are heating up. After starting the battery to zero. On the other hand, the device is inexpensive, and worked for a whole year. The thing is actually convenient: to start the car, and charge the phone, and also a flashlight. It shines brightly, but the lighting is rather point.