20700 Batteries are on the rise!
The Wismec Reuleaux RX2 20700 is meant to be used with 20700 batteries. 20700 batteries are crucial to its dual battery design and power capabilities as it offers far better performance than a pair 18650 batteries. Think of the RX2 as a step up from the RX2/3, you get the same highly intelligent chipset only with greater battery life as a result of 20700 cells.
Check out the Wismec Reuleaux RX2 20700 HERE