China li-ion cell manufacturers used to show higher variances in their products. HIBATT IMR 14500 700mAh, Shockli IMR 14500 660mAh, Efest IMR 14500 650mAh, and this Vapcell INR14500 650mAh, they all seem to be the same cell from the same manufacturer. Their performance, however, vary from batch to batch, the differences you see among them are because of different grades and/or cell inconsistency within a batch.

But they are still the best high-drain 14500 you can find. Among these choices, Shockli and Vapcell seem to be the only two that offer a native (NOT welded) button-top version of this cell.

In the beginning, Vapcell only sold the flat-top version of this 14500, and unfortunately the batch they got at that moment was poor (I did buy 16 pieces and tested them), the performance was noticeably worse than all the other choices. I’m glad that they are now offering a native button-top version with acceptable performance.