Battery Name: 3.7V 2600mAh high cap 18650 Li-ion battery pack Battery Model: 1S1P FLC-18650-2200 Battery Keywords: 3.7V 2600mAh high cap 18650 Li-ion battery pack,Lithium ion battery,Li-ion battery,Li-ion 18650 battery pack,18650 torch battery pack,Li-ion 18650 LED battery,flashlight Li-ion battery pack,Samsung 18650 battery Battery Applications:Flashlight,LED light,outdoor light,consumer portable device Battery Features: 1. UN38.3,RoHS,CE certificated Li-ion battery pack; 2. It could be customed by the clients' request; 1. UN38.3,RoHS,CE certificated Li-ion battery pack; 2. It could be customed by the clients' request; 3. We have a very good cooperation relationship with Samsung,we are their exclusive agent in South China since March,2015,so we can assemble this battery pack by Samsung 18650 cells for high-end products' application; 4. The anode materials is LiCoO2(Advantage: work voltage 4.2V-3.7V,charge/discharge voltage is stable,energy density is higher,cycle life is exceleent),the battery life cycles is over than 500 times and the capacity remains over 80% after 300 cycles; 5. Build in two-way protection IC circuit board, a single cell over charge protection voltage 4.20V±0.05V, over discharge protection voltage 2.7V±0.1V. Battery Specifications: Cell 3.7V 2600mAh Li-ion battery Model 1S1P of FLC-18650-2600 Norminal voltage 3.7V Nominal capacity 2600mAh Charge method CC/CV Standard charge Constant charge current: 0.2C(520mA) Constant charge voltage: 4.2V/Cell Charge cut off current: 50mA Over charge Detecrtion voltage: 4.250±0.050V Release voltage: 4.150±0.050V Detection delay time: 1.0：±0.5S Over discharge Detection voltage: 2.75±0.08V Release voltage: 3.00±0.10V Detetion delay time: 100±50mS Over discharge current Over current: 3-5A Delay time: 10.0±5.0mS Max. continuous discharge current 2600mA Discharge cut off voltage 2.75V Operating temperature Charge: 0 ~ 45ºC Discharge: -20 ~ 60ºC Storge ambient temperature (charge 40-60%) -20~60ºC less than 30 days -20~45ºC less than 90 days; 20~20ºC less than 360 days Battery dimensions（Dia*H） 18.5mm*69.5mm Weight Approx. 50.0g