I purchased 3* 18490 3.7V 1100mAh batteries ~4-5 month's ago, and they're all nearing their demise, unfortunately. Now I'm in the market for some bats. Let me know where's good, would you reonauts? 
If there's a general consensus of a different type of battery to use for the woodville 18490, I'd like to know about that as well.
- Chase
If there's a general consensus of a different type of battery to use for the woodville 18490, I'd like to know about that as well.
- Chase