@zhubl posted:I can confirm that the 991 base has a heat sink right under the remote. It is part of the base electronics and will get warm no matter if a CAB-2 is charging or not
Correct, so anytime the CAB2 is sitting in the base, it's getting significantly warmed up by the base electronics. That's my major squawk with charging with the #990. It's not good to run those batteries at elevated temperatures, that's not doing them any good.