Consider this handy upgrade as the best so far. The Pioneer4u IPV3 LI 200W is an upgrade worth the price. Inside is an authentic YiHi SX330-V3SL chip that is factory upgraded so let those worries of updating the firmware yourself actually rest in peace! Packed with power, the Pioneer 4u IPV3 LI provides 200W of the total vaping power.
Also enjoy the feature of temperature control and utilize this in the best possible way with any atomizer that you can get your hands on. You can easily enjoy all these privileges with two 18650 batteries powering it and these too easily replaceable. Don’t forget the spring loaded contact pin which makes it all the more amazing.