Not those specific ones, but a buddy uses some smaller, ~75W DC powered ones.
Specifications
- Model: SS—GYRXT0009
- Dimension: 13" x 10' x 0.07"/33 x 304.8 x 0.2 cm
- Material: PVC
- Weight: 7 lbs/3.16 kg
- Melting Speed: 2''/5 cm per hour
- Melting Temp.: > 104 ℉/40 ℃
- Power: 360W±10%
- Electric Current: 3A±10%
- Power Cord Length: 6 ft/1.8 m
- W/ UL Certification
360W±10%. When you factor in inverter inefficiencies, that's closer to 425W±10%
They will suck juice like mad.