I have a vamo v5. What are the highest mah 18350 and 18650's that will fit. I've seen some with freakish mah like this http://www.amazon.co.uk/Nitecore-18650-Li-Ion-Battery-3100mAh/dp/B00AZHT7VG/ref=sr_1_1?ie=UTF8&qid=1386111440&sr=8-1&keywords=18650+3100mah But I have no idea if they'll fit. The 18350 I bought just now don't seem to last very long. If I could get something that lasted 9 hours I'd be happy.