Reddit reviews Gumstick 1400 mAh NiMH Battery - Replacement for NH-14WM and Others
We found 1 Reddit comments about Gumstick 1400 mAh NiMH Battery - Replacement for NH-14WM and Others. Here are the top ones, ranked by their Reddit score.
Considering that at best they are 16y/o battery, they are all dead even "brand new"/"unopened" one..
Haven't found a clean way to open they. I fear that opening them would be a destructive action.
The best would be to make a new shell using 3d printing that use the same type of battery ("gumstick" one: https://www.amazon.com/Gumstick-1400-mAh-NiMH-Battery/dp/B003F9UWTM )