Need help on flat top battery

[cookiejar]

Hi guys,
I have these batteries that are flat tophttps://www.fasttech.com/products/0...onic-ncr18650pd-18650-36v-2900mah-rechargeabl
I already have an idea in mind but still want to search for more options. I don't want to buy button top batteries because i think it's not necessary. Can any pro out there help me how to modify these batteries to button top?
I am very much appreciated.

 

[Switched]

1/4" rare earth magnet!

 

[cookiejar]

Hm... i'm thinking of removing button top from any dead non-rechargeable battery and use the shrink wrap to hold it.
Magnet would be my last choice.

 

[Switched]

<<I don't want to buy button top batteries because i think it's not necessary. >>

Sorry and modding a flat top into a nipple top is?

 

[cookiejar]

<<I don't want to buy button top batteries because i think it's not necessary. >>

Sorry and modding a flat top into a nipple top is?

Sorry I don't get what you mean

 

[Switched]

You stated...

<<I don't want to buy button top batteries because i think it's not necessary. >>

Instead of byinf flat tops and modifying them into button/nipple top, why don't you buy the proper battery?

 

[cookiejar]

I wish I knew it
Since I already have the flat top ones, I think it's better to figure it out rather than buying new button top ...