I tried to start the car, did everything according to the instructions - everything works. After starting without boost, because the battery was not completely discharged, the booster charge remained full. I will add, I started the 2.4l engine both on a completely dead battery and on a partially - it never failed, I also started on the second attempt (boosted twice) a frozen Land Cruiser 4 l at -28. The charge remained 4 divisions. As a result, I can conclude a thing that is definitely worth 5 out of 5, I recommend it for purchase.
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