![]() ![]() Understandably, the Kobalt inflates much faster when plugged into an AC outlet. The automatic shut-off feature turned the inflator off as soon as the preset target tire pressure level was reached. The backlit screen on the Kobalt was much easier to read in the sun than the LED readout on the Helteko. The AC cord is a little short, but the DC cord allowed me to reach all four of our truck tires when plugged into the console cigar lighter. The plastic case feels durable and compartments neatly contain the hoses, power cords and inflator attachments. Kobalt Auto Shut-off at Target PSIįirst, I noticed the Kobalt unit is sturdy built. I was able to top off eight tires to 80 lbs PSI without any problems. The Kobalt AC/DC Portable Air Compressor was a noticeable improvement over the Helteko. I spent a little extra and immediately purchased my second choice. Kobalt 120v AC / 12v DC Portable Air Compressor Kobalt 120v & 12v Portable Air Compressor Read more Helteko 12v air compressor reviews. SUMMARY: For towed cars, bikes and inflatables, the Helteko may be an affordable portable 12v DC air compressor. Motor started smoking at 70± psi, after only minutes of use. PROS: Small compact size, rated to 150 psi with auto inflation shut-off limit (test results unknown), quiet. I gave it a try, and did not let it run longer than seven minutes – primarily because it started smoking at six. ![]() This was my first warning, but I read multiple reviews from customers with our same truck saying that it worked fine, or was fast to inflate tires. The Helteko 12v Portable Air Compressor documentation specifically states not to run the unit for longer than 10 minutes. Probably a decent compressor for small auto tires. At least not for our needs, with E-rated truck and trailer tires. I quickly discovered this is not the best. Helteko 12v DC Air Compressor Head to Head DC Air Compressor Comparisonįocusing only on the presumably higher end products in the category – being a firm believer that you get what you pay for – I reviewed many customer reviews, and selected the Helteko Portable Air Compressor Pump. With budget still being a concern, I was determined to get the best for my money. Even limiting my choice to 12v DC air compressors returned many results, all of them similar the cheap unit we picked up at Quartzsite one year. And it needed to inflate truck tires up to 80 lbs., in less than a week. It had to be compact to fit in our truck toolbox. It needed to have a 12v power adapter, for situations just like that one on our Alaska RVing adventure. Another Flat on the Cassiar Highway What Is the Best Portable DC Air Compressor? We needed a decent DC air compressor, once and for all. Sitting on the side of the Cassiar Highway with my back to the brush where Grizzlies roam, waiting for a cheap no-name 12v air compressor to top off our spare tire while holding the inflator in place made me realize one important fact.
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