I want one of those custom modsThe Hammer Of God v2 : http://advanced-vapors.myshopify.com/products/authentic-hammer-of-god-box-mod-by-vaperz-cloud
Gamma Box from X-Ray Box Mods : https://swmovapeshop.com/product/gamma-box-from-x-ray-box-mods/
LCvapes Custom 4p/2p2s : http://www.ebay.ca/itm/Quad-18650-B...038531?hash=item4af51f2383:g:CQsAAOSwiwVWSOgK (Can do quad parallel or dual paraseries)
I can't attest to the last 2, but the HOGv2 is a quality mod. There's not to many mass produced 2S2P mods, only custom boxes. Hope this helps!
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