... short-circuit production function, safe and reliable8, High working voltage for single battery cells pollution-free 9, Capacity, resistance, voltage ... , platform time consistency are good18650 11.1v 2900mah 3s1p for power toolsApplications:1, Flashlights 2, LED flashlight3, Explosion-proof ... you have different requirement on technique, shape and so on for the battery pack we can made-to-order as ...