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對外秘 SAMSUNG SDI Confidential Proprietary SAMSUNG SDI Spec. No. INR18650-29E Version No. 1.0 1.Scope This product specification has been prepared to specify the rechargeable lithium-ion cel ('cell')to be suppliedto the customerbySamsung SDICo.,Ltd. 2. Description and Model 2.1 Description Cell (lithium-ion rechargeable cell) 2.2 Model INR18650-29E 2.3 Site Manufactured inChina& Korea 3. Nominal Specifications Item Specification Min 2,500mAh 3.1 Standard Discharge Capacity -Charge :0.33C(825mA),4.125V,0.025C(62.5mA)cutoff@RT (NameplateCapacity) -Discharge :1C(2,500mA), 2.5V cutoff @RT CC-CV 3.2 Charging Method (constant voltage with limited current) 4.125V 3.3 MaxCharging Voltage 4.050V (for ESS, min 2200mAh @4.050V) 0.33C (825mA) * 1C=2,500mA 3.4ChargingCurrent rate 0.50C(1,100mA)(ForESS） * 1C=2,200mA 1C(2,500mA) *1C=2,500mA 3.5DischargeCurrentrate 0.50C（1,100mA)（ForESS）*1C=2,200mA 1.0C(2,200mA)(Max current for ESS,not forcycle life) 3.0C(6,600mA),10sec (Pulse current for ESS,not for cycle life) 3.6 DischargeCut-off Voltage 2.5V 3.7 Operating Temperature Charge :0to 45 (0to 70 :for certification purpose only) (Cell Surface Temperature) Discharge:-20to60 (-20to70 : for certification purposeonly) Capacity ≥(80%ofthe InitialCapacity@RT) @after1000cycles 3.8 Cycle life1 -Charge :0.33C(825mA),4.125V,CCCV62.5mAcut-off @RT - Discharge: 1.0C(2,500mA),2.5V cut-off @ RT Capacity ≥(70% of the InitialCapacity @RT) @after3000cycles 3.9 Cycle life 2 (ESS) - Charge : 0.5C(1,100mA),4.05V,CCCV55mA cut-off @ RT - Discharge: 0.5C(1,100mA),2.5V cut-off @ RT SamsungSDl., Battery Business Division. 3