
The device is good! It saved me when, after a long frost, the car could not even open on the signal. As a result, I ordered the device, recharged it, went out to the car. The battery seems to have moved away from the morning frost, and I was able to at least open the car with the usual key in the door. I switched the key to the ACC position and turned off all additional devices that could interfere. Opened the hood. As per the instructions, I connected the device to the battery, turned on the normal mode first and tried to start it. Nothing succeeded(((( Then I turned on the boost mode. It gives apparently higher currents. I waited 2 minutes in this state and tried to start the car - it started up with half a turn!. I highly recommend purchasing this device. In the supine position, when you do not use it, it can last six months. Then you need to charge it. It is also advised to keep it warm at home. Because if you keep it in the car in winter, then because of the cold, the battery will already sit in the device, and there will be little use from it already.
![megawise car battery jump starter - 1500a peak 16800mah portable power pack for up to 7l gas or 5l diesel engines, dual usb outputs, auto battery booster [2021 upgraded model] logo](https://images.revain.org/blob/wysd4jyw_1f428fea72@128x128.jpg)
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