This model is very suitable for making battery pack, it is high discharging rate. It can support 5C Max Constant discharging rate, very powerful. This month one of my customer re-place an order of this model, you can check the details.
Model : 18650 3.7v 2000mAh
Size : 18*65mm
Max Constant discharging rate : 5C
Blue PVC packing