510 Manual batteries with a hole?

[Cherice]

I have a question regarding manual batteries being sealed... I have a few that appear to be sealed. But then I also have a few manual batteries that have a hole in the center. One has a larger hole than another. Why is this? I assume the ones with holes are in fact not sealed?

 

[cassavetes]

I have a few that look like they have a hole but it's just a sealed indent where the hole on an auto battery would be. The rest have a flush seal.

One is an original Joye battery, the other is a clone.

 

[bearscreek]

Yeah, you probably can't stick a paper clip very far in there.

 

[Cherice]

Gotcha. Thanks!