I am curious as to which charger you are using, if you are using one. Also, I am especially interested if any of you use a dual charger and if so, which brand/model?
I am a battery grip user, have been since my Elan IIE film camera 30 years ago. I am not old, but just experienced...haha. I got used to a battery grip then and have had one for every camera since. So I always have two batteries to charge when I charge.
Canon used to produce a dual charger for the early DSLRs, I know...