sonorous

Just to follow up on this, I went for a 4100 and installed it last weekend. I tested the charging with my Nexus 6P using the Ampere app (same as OP). I get between 300 and 1000 mA and it fluctuates between them mostly in the 400-800 range. For reference when I charge my 6P with the OEM wall charger, I get 2400 mA consistently (and it charges hella-fast). The good news is that even with the lower charge current, it is sufficient with my device to not only maintain battery level, but actively charge while I run Android Auto in the background and Waze on the phone with the display on full tim

I am in the market for either the 4100 or 4200 right now so I kind of have the same questions. I have been leaning toward the 4100 since there are not any significant changes that I can find and the price is lower. Actually the only thing that is holding me back is the thought of having reduced charging speed. I have a Nexus 6P and I have gotten very used to rapid charging. I have 3 amp chargers everywhere now including my car and it is really convenient. I feel like I never worry about low battery anymore. I tried to research this myself and in looking at the spec sheets for both the 41