Product Description:   The Reuleaux RX2 20700 mod is compatible with both 20700 an 18650 cells. It can be fired up to 200W output with dual replaceable cells. The mod comes with 1.3inch display and easy-to-go interface.  It has innovative push-pull design for convenient exchange, only by sliding the back cover, you can replace the cells quickly and easily. It also comes with dual circuit protection & reverse polarity protection.      Parameter:   Size 43.2*35.2*81.7mm Output Wattage 1-200W Battery Capacity high-rate 20700 cell (discharging current should be above 25A) high-rate 18650 cell with the help of battery sleeve (discharging current should be above 25A) Maximum Charging Current  2A Output Mode VW/TC-Ni/TC-Ti/TC-SS/TCR mode Resistance Range 0.05-1.5ohm for TC modes 0.1-3.5ohm for VW mode Temperature Range 100-315°C/200-600°F (TC modes) Thread Type 510 spring loaded thread Maximum Output Current 50A Output voltage range 0.5-9V Color black, brown, green   Features:   1. 200W maximum output power 2. Compatible with both 20700 and 18650 cells 3. 1.3inch Large Display 4. Compact size  5. 2A Max Charging Current for Quick Charge 6. Innovative push-pull design for convenient exchange 7. Dual circuit protection & reverse polarity protection 8. Upgradeable firmware   Package content:   1* Reuleaux RX2 20700 (no cells) 1 * QC USB Cable 1 * User Manual