If you are an early adopter of the cutting-edge 21700 battery form factor, you may have been disappointed in the lack of high quality replacement cell options. Get ready to jump for joy, because the Samsung 40T 21700 is the cell that you’ve been searching for! Featuring an incredible 4000 mAh capacity with the same Samsung quality and reliability that you trust for your phone, TV, and other critical appliances; the 40T 21700 is ready to keep your favorite vape operating at peak performance! Tap into the full potential of your 21700 compatible device with this incredible battery offering from Samsung!
They seem to last for a very long time compared to other brands' vape batteries. They're made really well.
I have no complaints about these batteries. They do the job really well and seem to last for a long time. I use them with a high-quality charger so that they don't die out on me too soon.
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