Ah the curse of the Chinese Electronics strikes again. These large DC-DC boost converters have become very common on the likes of AliExpress & eBay, and this time my order has arrived DOA… On applying power, the output LED lights up dimly, and no matter how I twiddle the adjustment
Continue readingChinese “1200W” DC-DC Boost Converter DOA Fix
Having now tested the supply I wrote about in my previous post, I can now say that it’s nameplate rating far exceeds it’s actual capability. On running the supply under load, at 6.5A the operating frequency drops into the audible range, a big sign of overload. (It makes an irritating
I received this USB supply with a laser module from China that I purchased on eBay. I have heard of these nasty copies of Apple chargers going around, but I’d never received one this bad with a piece of Chinese electronics. Model No. A1265, so definitely an Apple clone. Apparently