![]() ![]() ![]() Supporting this theory, the FCC application for this product discusses three radio transmitters, one is the Lightspeed system (GFSK) one is the charging system (WP4a) and the third is bluetooth. I had assumed that this was a function either of just the mouse or just the charging system but I now believe that the mouse communicates with the pad wirelessly. Logitech have gone to great lengths to throttle the charging rate with powerplay to ensure a long battery life. I suspect that this is a function of the connected device, not just the powerplay puck, which makes sense I guess. ![]() My guess is that the powerplay system is expecting some kind of communication from the device, via the powerplay system requesting a particular charging current. There's some Logitech magic going on here that I can't quite get my head around:Ĭonnected to a USB cable, my G915 keyboard charges at about 230mA.Ĭonnected to a USB cable my G502 mouse charges at about 230mA.Ĭonnected to the powerplay puck, my G502 seems to have a charge rate of between about 20 and 57mAĬonnected to the powerplay puck, my G915 charges at less than 10 mA. I have been doing some experimenting with logitech powerplay myself, my goal is basically to stick one of those pucks on the bottom of a keyboard so that both keyboard and mouse are wirelessly charged. I would be interested to know how you are going with this project. ![]()
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