Question: what coils work with uforce tank?
Answer: Write a Review. The VooPoo Uforce Coils are specifically designed for VooPoo's UFORCE sub-ohm tanks. Now available in eight versions, the U2 (0.4Ω) , U4 (0.23Ω), U6 (0.15ohm) and U8 (0.15ohm) coils. You also have the N1 (0.13ohm), N2 (0.3ohm), and N3 (0.2ohm) replacement coils.