These things are nipple rings for your 4p cell groups.
What?
Stick them on the top of your battery cells to help decrease the risk of a shoulder-short. Pre-cut in 4p strips for your convenience, 18650 and 21700 sizes available.
"Fishpaper" is such a weird word. Who decided on that anyway? Can we have another vote?
4p 18650 sizes have 20 Insulator Strips per sheet, for a total of 80 individual cells insulated.
4p 21700 sizes have 12 Insulator Strips per sheet, for a total of 72 individual cells insulated.
1p 21700 sizes have 30 Insulator Rings per sheet, for a total of 30 individual cells insulated.
Duck Battery Systems has quality parts with fast shipping.
L
Leonardo Wieland
Four rings to rule them all
What's to say... better than fiddling with silly singles when building glued packs. If you want to do it correctly, use the right parts for a proper job. Yet again the Duck delivers.
A
Artem Voloshanovskiy
Time Saving Convenience
Great stuff! At a great price! These little 4p rings make insulating positive terminals extremely easy and quick!
