Best thing to do Papermaker. Because when my teamate started building em a year ago, everyone laughed at him. Now, everyone is jumping on the wagon... they work. How well, and to what satisfication is up for debate. I do know, that I think lithium prices are too high. And the minute someone unearthes an elite cell, perhaps Shizzon has, these lith companies are going to have to rework their pricing.
The 15ah limitless I tested got demolished by the 40ah Headway. The limitless is like 479$. I wanna say materials on the headway was about 200-250$