Yeah i've asked the same in the DNA200 Early Adopters forum- great minds eh?(No responses yet though)
http://evolvapor.forumchitchat.com/...tteries-7776340?pid=1289705813#post1289705813
I know that people start swapping HC LiPo for ZIPPY 1300mAh. All you have to do is to peel that stands inside back cover. Ill try to find photos later. (perfect fit)

BTW. No issues with ZIPPY so far (I have 1000mAh in BOXER) and I have strange feeling that ZIPPY 1000mAh > hcigar ''1300mAh''