Just an idea for solderless 18650 packs

I don't know if this has been mentioned before, but i want to ask if the following item would be useful, for making quick,easy and solderless pack. :lol:

http://www.ebay.com/itm/10Pcs-Plastic-18650-Battery-3-7V-Clip-Battery-Holder-Storage-Cover-Box-Case-LI/222264061041?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D2%26asc%3D41376%26meid%3D2d6c135ddccf40d4b94c790e20ddeafa%26pid%3D100005%26rk%3D4%26rkt%3D6%26sd%3D391504335497

These work only button top cells. These are better.
Thre are many similiar topics like this: https://endless-sphere.com/forums/viewtopic.php?f=14&t=60517