1LenOct 24, 2020XH-2.54 2-Pin female connectorWe will send you some connctors if you buy the new battery.
The pin distance is 2.54mm. The head width is 5.7mm.
from checking it looks like a standard JST-XH connector.
Yes, this one should work:
https://www.pcboard.ca/jst-xh-2-pin
XH-2.54 2-Pin female connector
We will send you some connctors if you buy the new battery.