I bought a bunch of eneloop pro, but using them in connected thermostats is always displaying “low battery” even after just fully charged. This is when I discovered that they are actually 1.2V
It really came as a surprise, is there a catch? Are they only good for low power stuff like remote controls?
Edit: it seems they do exist in lithium. Question remains why are the NiMH only 1.2v and why are they the most widespread?
There are battery chargers that allow charging an odd number of batteries, even single batteries. I have a charger that is powered through USB, similar to the following:
The one I have has two power inputs: an USB-C and Micro USB, so it can be powered by any of these.