Everybody's charging practices are different. I've been doing 2C charge rates for many, many years now. After work, I come home; open the garage doors; pull my chargers out, and start charging. Having a pack ready to go in 20~30 minutes means a lot more "happy place" RCing time for me before the...
I second the motion on the D6 Pro. I have the DC only version (Hota D6), because I already had a separate power supply. Loved the thing so much I had to get another Hota (H6 Pro) just for my 4&6 cell LiPo packs. They now came out with the S6 which has twice as much power at the D6 Pro.