Audi 80 B3 charged without removing the terminals - normal. The second battery - REMOVED - fully charged and stopped turning on the fan. I am satisfied with the purchase. I recommend. Has some pros: First production in 2022 (St. Petersburg). Secondly, good terminals and wires. Thirdly, a high-quality ammeter. Well, further - a computer fan with automatic equipment is installed from overheating. You can manually set the charge level on any 12 volt battery. If you need to quickly throw firewood into a battery that has run down at startup, simply set the maximum on the ammeter scale with the regulator. After a while, you can try to start the internal combustion engine. Also, this charger allows you to charge the battery without removing the car terminals, if this does not contradict the car's operating instructions. As the battery is charged, the current automatically decreases until the device fully charges the battery. You can not worry about forgetting about it for a long time (winter for example). Just your battery will be recharged as needed. And, in comparison with other similar devices (China, etc. ), price-quality in this case is on the side of 2022. Its cons: If you operate the charger in the garage, there are no drawbacks, but a quieter fan is needed to work in the apartment.
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