Orbtronic Two 18650 Protected 2900mAh Li-ion Rechargeable Batteries Button Top with PCB - NEW Dual Protection Version Panasonic 2900mAh cell inside
One of the best 2900mAh Double Protected 18650 3.7V Li-ion Batteries you can find in USA today.Electronic Safety (very sensitive trigger) Protection against :  Over charge / Over discharge /  Over current (short circuit) / Over heat >>  System: Cylindrical Li-ion Battery /  Size: 18650 /  Nominal Voltage: 3.7V /  Capacity: 2900mAh /  Dimensions:  Diameter-D-18.5(+/- 0.5mm) /   Height-H-68.9(+/- 0.5mm) /   2x  2900mAh batteries includedE-cig users please look for Orbtronic PD2900 model. Because of its length (protection) this model is intended to be used for high power flashlights.