IKV 510 Cartomizer Platinum STD 2.5Ω SS
It says they're recommended for 4.2 to 5V. Is that what my Riva is? I'm not sure how many Volts the Riva batteries are.
Also, I received an email saying they are in stock, but the website indicates they are still out of stock?

It says they're recommended for 4.2 to 5V. Is that what my Riva is? I'm not sure how many Volts the Riva batteries are.
Also, I received an email saying they are in stock, but the website indicates they are still out of stock?