The Eleaf iStick QC 200W has a large internal 5000mah capacity battery and 200w of vaping power.  Capable of temperature control.

• Capacity: 5000mah
• Wattage: 1-200w
• Resistance range - 0.05-1.5ohm (TC modes) / 0.1-3.5ohm (VW / smart modes)
• Output modes - VW / Smart mode / TC-Ni / TC-Ti / TC-SS / TCR
• Temperature range €“ 100-315°C / 200-600°F