Yes, I know about this problem But i want repeat size "MDMS OEM" It was a good option for the case http://www.ebay.com/sch/sis.html?_nkw=USB+Mobile+Power+Bank+Phone+Charger+Pack+18650+Rechargeable+Battery+Box+Case+DIY&_id=381009132329&&_trksid=p2060353.m2749.l2658