Hi,I bought an EOS R with battery grip. I found out so far, that I only can charge the accus inside the grip using the AC adapter which was sold with the grip. No other adapter / laptop / powerbank works. This isn't really helpful. My son bought an E...
Hi Rodger,there is no 'magic'. With a switching power supply, and all power supplies today were of that kind, you can step up or step down the output voltage relative to the input voltage. And you can do it both ways with the same circuit. No magic, ...
Hi,you can charge a high capacity battery from a weak source, it takes more time, so what? I think, a half charged battery set is better than an empty set and cause a highly sofisticated charger decides to not charge the battery cause it will took lo...
Hi Mike,bad news.We bought a new laptop (13") we use for travelling about a year ago. This laptop has this USB-C sockets, two of them and the AC adapter of this laptop is connected to one of this sockets. So the AC adapter has a USB-C plug and the AC...
Hi Mike,I learned, that I need a PD socket.I am a technician and I cant understand the technical reason for the PD socket. Less power, longer charging. Even better than no charging.And, the two batteries in the grip were charged one after the other, ...