The Geekvape Boost Pro now comes in 21700. An ultimate Quadra Vaping System (Pro Pod/Plus Pod/RDTA/TANK). An upgraded Gen 2 three-inletairflow control. Exceptionally durable body with IP67 water & dust resistance. Expectation beyond P Series Coil performs. Let Pro do the pro thing Output Power: 5 - 100W Input Voltage: 3.2 - 4.25V Output Voltage: 0.8 - 8.5V (Max 8.5V) ...