The Samsung 25R is the leading battery in 18650 categories. Its amazing quality, exceptional performance, and great customer reviews have all made it a consumer favourite. The Samsung 25R delivers the best capacity, discharge rate, and quality. The Samsung 25R remains relatively cool even after long usage sessions. The 25R retains its capacity even after 250 cycles. The Samsung 25R has one of the best capacity and discharge rates. The Samsung 25R has the perfect balance of discharge and capacity that makes it an ideal choice for vaping devices. The Samsung 25R is a perfect little battery that can take your vaping experience to new heights.