MG wrote:

200 mAh is a capacity, not a charge rate. I agree with you with on the
ignorance been shown.

You should not maintain a trickle charge current of more than C/100 on
NiMH batteries, with C being the capacity of the battery. 200 mA is an
order of magnitude too great, and will quickly destroy the batterys. 10
mA is suffficient to maintain the batteries at full charge without
destroying them.