I wasn't super sold on this at first but after reading reviews and looking more into it I was sold! I got mine for a penny when I bought a pod, which was $43 after tax. I LOVE this battery so much that I would def pay full price ($30/35ish) if I had to! I wish they had other colors and more brands used the dart system...I would think they would since the 510 system is becoming a thing of the past. I noticed this battery is a little more powerful than normal ones and the stiiizy! I have a stiiizy as well and I honestly LOVE this one and prefer it over my stiiizy! Only downside is the pods are pricey compared to stiiizy. Stiiizy pods are $20/25 and the dart pods are $35/40. I got this system more as a treat for myself cos I wanted to also try the Moxie pods. Have tried 1 abx pod and it was gelato but not the LIVE one unfortunately I got dupped cos store had pic of LIVE pod but was just regular/older pod. They can leak a bit if upside down so I suggest keeping little silicone plug in it!