Recent content by mlewus

Thanks very much for this! I had two of these sitting in my parts box, so this saved me some money. It's also much smaller than the DJI P4 power supply that I was going to buy. Even better, now I can stop charging my Ultra CS batteries with my lab bench supply and jumper wires, which was...

If you are happy with 5.8" and 1000 nits, you might consider a Samsung Galaxy S9+. The screen is 6.2" (though it is wider and less tall than the CS) and displaymate.com tested the screen at around 1000 nits. And, you get a functioning Google Play store and a really good camera. Oh, and a phone...

I used to fly my Mavic Pro with a Samsung S7, which at around 600 nits is not bright enough for full sun wthout a hood. I tried an iPad Air 2 and iPad mini, both were not bright enough without a hood. I got a Ultra CS a few months back. The back light blew up after a few minutes of use, a...

[A very tardy response to this thread] You can't charge a Crystal Sky battery from USB because the USB voltage is too low. Typical USB chargers are 5 volt, which is fine for phones with 1 cell batteries. The battery in the Crystal Sky is a 2 cell li-ion and so requires around 8.4V to charge...