The second link has dimensions, and they're huge: about 1 by 1 by 0.5 meters, weighing 169 kg each. https://ntrs.nasa.gov/api/citations/20050215412/downloads/2

The second link has dimensions, and they're huge: about 1 by 1 by 0.5 meters, weighing 169 kg each. https://ntrs.nasa.gov/api/citations/20050215412/downloads/20050215412.pdf https://ntrs.nasa.gov/api/citations/20050215412/downloads/20... has some more details. The "deadface load" (a term basically not seen anywhere except in these batteries) seems to be related to discharging them to a safe voltage (possibly at end of life before disposal, or generally before maintenance). "From 2017 to 2021, the nickel-hydrogen batteries were replaced by lithium-ion batteries." according to https://en.wikipedia.org/wiki/Electrical_system_of_the_International_Space_Station https://en.wikipedia.org/wiki/Electrical_system_of_the_Inter...