I have an Anker battery and a Peak Design case. The wireless battery just slows the drain unless my phone is totally idle while charging. I really don't think

I have an Anker battery and a Peak Design case. The wireless battery just slows the drain unless my phone is totally idle while charging. I really don't think wireless charging is very effective, at least it hasn't been with my 3yo phone and magnetic battery (even when both were new).