EVE ? -EVE Energy CO., LTD Confidential and Proprietary- Model ICR18650/26V Spec. No. PBRI-ICR18650/26V-D06-37 Version No. A PRODUCT SPECIFICATION Lithium-ion rechargeable cell Model: ICR18650/26V RD cO Sales Designed Approved Checked Checked Checked Customer signature Company name: Approved by: Signature date: April, 2024 EVE Energy Co., Ltd. EVEConfidential
EVE ® -EVE Energy CO., LTD Confidential and Proprietary- Model ICR18650/26V Spec. No. PBRI-ICR18650/26V-D06-37 Version No. A Customer Request Ifthecustomerhasany particularapplicationoroperating conditionsdifferentfrom those described in this document,please list below and communicate with us in advance. No. Customer Special Requirements Specifications 1 sey.☰ 2 1 3 4 S Customer Code: Signature: Date: 7 EVEConfidential
Catalogue 1. Scope 2. Description and Model 3. Nominal Specifications 4. Outline Dimensions. 中 5. Appearance 2 6. StandardTest Condition. 6.1. EnvironmentCondition. 6.2. Measuring Equipment.… 7. Characteristics C 7.1. StandardCharge .2 7.2. Maximum Charge . .2 7.3. Standard Discharge Capacity.. ..2 7.4. Initial Internal Impedance.... ..3 7.5. Discharge Rate Capabilities.. .3 7.6. Temperature Dependence of Discharge Capacity. .3 7.7. Cycle Life …. .3 7.8. Storage Characteristics . 7.9. Statusof thecellas of ex-factory. .4 8. Mechanical Characteristics .. 4 8.1. Free Fall Test .. 8.2. Vibration Test.. 9. Safety... 9.1. Overcharge Test .5 9.2. ExternalShort-circuit Test .5 9.3. Forced Discharge Test .5 9.4. Heating Test… .5 9.5. Low Pressure Test... .5 10. Warranty 5 11. PrecautionsandSafety Instructions 12. Guide for the Use of Lithium-ion Cells 12.1. General ... 12.2. Charging …. 9 12.3. Discharging. .6 12.4. Storage.. .7 12.5. Cycle Life . .7 12.6. Design of System. .7
Revision history Revision Date Page Item Description Author No. A 2024-4-17 / 一 First Edition Yangjie Lin 公
EVE ? --EVE Energy CO., LTD Confidential and Proprietary - Model ICR18650/26V Spec. No. PBRI-ICR18650/26V-D06-37 Version No. A 1 Scope Thisproductspecificationhasbeenpreparedtospecifytherechargeablelithium-ion celltobe supplied to customer by EVE Energy CO., LTD. 2. Description and Model 2.1 Description Lithium-ion rechargeable cell 2.2 Model name ICR18650/26V 3. Nominal Specifications Item Specification Minimum2600mAh Nominal2650mAh Charge: 0.52A(0.2C), 4.20V,CCCV0.052Acut-off 3.1 Standard Discharge Capacity Discharge: 0.52A(0.2C), 2.50Vcut-off *1C=2.6A 3.2 Nominal Voltage 3.60V 3.3 Standard Charge 3-00000020220222000200 5.2A(2C), 4.20±0.05V, CCCV 0.052A cut-off 3.4 Maximum Charge (Not for cycle life) 3.5 Standard Discharge 0.52A(0.2C),2.50Vcut-off 3.6 Maximum Discharge 13A (5C), 2.5V cut-off 3.7 Charge/Discharge Voltage Range 4.20~2.50V 3.8 Cell Weight 47.0g Max. Height: 65.00±0.15mm 3.9 Cell Dimensions Diameter:18.35±0.10mm Ambient Temperature: Charge: 0 to 45C Discharge: -20 to 60C 3.10 Operation Temperature Charge Temperature: 0 to 60C (Cell Surface Temperature) (recommended recharge release <45C) Discharge Temperature: -20 to 70C (recommended re-discharge release <60C) EVE Confidential 1/12
EVE ® --EVE Energy CO., LTD Confidential and Proprietary - Model ICR18650/26V Spec. No. PBRI-ICR18650/26V-D06-37 Version No. A 1 year -20~25℃ 3.11Storage Temperature 3 months -20~45℃ (At Shipping SOC) 1 month -20~60℃ Remark:Therecovery capacityis morethan90%of standard discharge capacity(=2600mAh) after storage at the condition of 3.11. 4. Outline Dimensions See the attachment (Fig.1). 5. Appearance There shallbe no suchdefects as rust,discoloration,leakage which may adversely affect commercial value of the cell. 6. Standard Test Condition 6.1. Environment Condition Unlessotherwisespecified,alltestsstatedinthisspecificationareconductedattemperature252C and humidity under 65% RH. 6.2. Measuring Equipment (1) Amp-meter and volt-meter The amp-meter and volt-meter should have an accuracy ofthe grade 0.5mA and 0.5mVorhigher. (2) Slide caliper The slide caliper should have 0.01mm scale. (3) Impedance meter The impedance meter with AC 1kHz should be used. 7. Characteristics 7.1.Standard Charge Standard charge meanschargingthecellCCCVwithcharge current0.52A(0.2C),constantvoltage 4.20V and 0.052A cut-off inCVmode at 25Cfor capacity. 7.2.Maximum Charge MaximumchargemeanschargingthecellCCCVwithcharge current5.2A(2C),constantvoltage 4.20V and0.052A cut-off inCVmode at 25C. 7.3.Standard Discharge Capacity Standarddischarge capacity ismeasuredwithdischarge currentof0.52A(0.2C)andcut-off voltage of2.50V at 25C after the standard charge. EVE Confidential 2/12
EVE ? --EVE Energy CO., LTD Confidential and Proprietary - Model ICR18650/26V Spec. No. PBRI-ICR18650/26V-D06-37 Version No. A Standard Discharge Capacity ≥2600mAh (Referring IEC61960 Standard) 7.4.Initial Internal Impedance Initial internal impedance is measured at AC1kHz at shipping SOC. Initial Internal Impedance≤18mΩ 7.5.Discharge Rate Capabilities Dischargecapacityismeasuredwiththevariouscurrents inthefollowingtableand2.50Vcut-off after the standard charge. Item Discharge Condition Current 0.52A 2.6A 7.8A 13A Rate 0.2C 1.0C 3.0C 5.0C Relative Capacity 100% ≥90% ≥90% ≥90% Note: Relative capacity is divided by the standard discharge capacity (=2600mAh). 7.6. Temperature Dependence of Discharge Capacity Capacitycomparisonateachtemperature,measuredafter storage atthetestenvironment according to thebelowtablewithdischarge constantcurrent2.6A(1C)and2.50Vcut-offafterthestandardcharge at 25℃. Item Discharge Temperature Temperature -20℃ 25℃ Do Storage Time 4h 4h 4h Relative Capacity ≥70% 100% ≥90% Note: Relative capacity is divided by the standard discharge capacity (=2600mAh). 7.7.Cycle Life 7.7.1.0.5C/1CCycleLife Charge:1.30A(0.5C) to 4.20V,CCCV0.13A cut-off. Discharge: 2.60A(1C) to 3.0Vcut-off. Rest time: 10min aftercharge and30minafter discharge. Capacity after1000 cycles. EVE Confidential 3/12
EVE ® --EVE Energy CO., LTD Confidential and Proprietary - Model ICR18650/26V Spec. No. PBRI-ICR18650/26V-D06-37 Version No. A Capacity ≥ 70% Ci Note: Ci is the first discharge capacity of cyclelife test at25±2C. 7.7.2.1C/3C Cycle Life Charge: 2.60A(1C) to 4.20V, CCCV0.26A cut-off. Discharge: 7.80A(3C) to 3.0V cut-off. Rest time:10min after charge and 30min after discharge. Capacity after 500 cycles. Capacity ≥ 70% Ci Note: Ci is the first discharge capacityof cycle life test at25±2C. 7.8. Storage Characteristics Recovery Capacity:Thecapacityofstandarddischargeofthreetimes cyclesafterfullystandard charged storage at condition as follows. After storage for 28days at 25C. Recovery Capacity ≥ 2340mAh (90%of Standard Discharge Capacity (=2600mAh)) After storage for 7days at 60℃. Recovery Capacity ≥ 2340mAh (90% of Standard Discharge Capacity (=2600mAh)) 7.9.Statusof the cell asof ex-factory The cell should be shipped in 3.600V to3.650V charging voltage range. 8. Mechanical Characteristics 8.1. Free Fall Test Testmethod:Eachfullychargedcell isdroppedthreetimesfromaheightof1.0montoa concrete floor.Thecellsaredropped soastoobtain impacts inrandomorientations.Afterthetest,thecellsshall be put on rest for 1h and then a visual inspection shall be performed. Criteria: No fire, no explosion. Free fall test is according to the IEC62133standard. 8.2. Vibration Test Testmethod:ForXandYaxiswithcylindricalcell7Hz→200Hz→7Hzfor15min,repetition12 times totally3hours,theacceleration1gduring7to18Hz,thenamplitude1.6mmandmaximum8g up to 200Hz. Criteria: No fire, no explosion, no leakage, with less than10%of OCVdrop. Vibration test is according to the UN38.3 standard. EVE Confidential 4/12
EVE ® --EVE Energy CO., LTD Confidential and Proprietary - Model ICR18650/26V Spec. No. PBRI-ICR18650/26V-D06-37 Version No. A 9. Safety 9.1. Overcharge Test Test method:Fully standard dischargedcellischarged with4.6Vand 7.8A(3C)for7h. Criteria: No fire, no explosion. Overcharge test is according to the UL1642 standard. 9.2.External Short-circuit Test Testmethod:Fullystandardchargedcellistobeshort-circuitedbyconnecting_thepositiveand negative terminalsofthecellwithacircuitloadhaving are resistance loadof80±20mΩat 55±5C.The cell remainson test for 24hor untilthe surface temperature declines by20%of the maximum temperature rise, whichever is the sooner. Criteria: No fire, no explosion. External short-circuit test is according to the IEC62133 standard. 9.3.Forced Discharge Test Test method: A dischargedcell is subjected to a reverse charge at2.6A(1C)for 90 min. Criteria: No fire, no explosion. Forced discharge test is according to the IEC62133 standard. 9.4. Heating Test Testmethod:Toheatupthestandard chargedcellatheatingrate5C perminuteup to130Cand keep the cell in oven for10 minutes. Criteria: No fire, no explosion. Heating test is according to the UL1642 standard. 9.5. Low Pressure Test Test method:Fullystandardchargedcellistobestored ata pressureof11.6kPaorlessforatleast six hours at ambient temperature. Criteria: No fire, no explosion and no leakage withless than10%of OCV drop. Low pressure test is according to the UN38.3 standard. 10. Warranty The warrantyperiodofcellsaremadeaccordingtobusiness contract. However,eventhoughthe problemoccurs withinthisperiod,EVEwon'treplace a newcellforfreeaslong astheproblemisnot due to the failure of EVE manufacturing process or is due to customer's abuse or misuse. EVEwill notbe responsiblefortrouble occurredbyhandlingoutsideoftheprecautionsin instructions. EVE Confidential 5/12
EVE ® --EVE Energy CO., LTD Confidential and Proprietary - Model ICR18650/26V Spec. No. PBRI-ICR18650/26V-D06-37 Version No. A EVE will not be responsible for troubleoccurred by matching electric circuit,cell packandcharger. EVE will be exemptfrom warrantee any defect cells during assembling after acceptance. 11. Precautions and Safety Instructions Lithium-ionrechargeablecells subjecttoabusive conditionscan cause damagetothecelland/or personalinjury. Please read andobserve the standard cell precautions below before using utilization. Note1. Customer shallcontactEVEinadvanceifitintendstousethecellinapplicationsor operating conditions other than those described in this document. Note2. EVEwilltake no responsibilityforanyaccidentthatoccurswhen thecell is usedunder conditions other than those described in this document. Note3. Forthe sakeof safety assurance,please discuss the_equipment design,its system and protectioncircuitofLithium-ioncellwithEVEinadvance,and consultaboutthehighratecurrent, maximum charge and special application in the same way. 12.Guide for the Use of Lithium-ion Cells 12.1. General This chapterhasbeenpreparedto describetheappropriate cautions andprohibitions,whichthe customer should take or employwhen the customer uses and handles the lithium ion celltobe manufactured and supplied by EVE Energy CO., LTD., inorder toobtain optimal performance and safety. 12.2. Charging 12.2.1. Charging current Charging current shall be less than maximum charge current specified in the specification. 12.2.2.Charging voltage Charging shallbedone by voltagelessthanthatspecifiedinthe specification. 12.2.3.Charging temperature The cell shall be charged within a range of specified temperatures in the specification. 12.2.4. Reverse charging Thecellshallbeconnected,confirmingthatitspolesarecorrectlyaligned.Inversechargingshall be strictly prohibited.Ifthe cell isconnected improperly,it may be damaged. 12.3. Discharging 12.3.1.Discharging current Thecellshallbedischargedcontinuously atlessthan maximumdischarging current specified in the specification.Incaseofthehigherdischarging current shouldbeset,itshallbediscussed withEVE. EVE Confidential 6/12
EVE ® --EVE Energy CO., LTD Confidential and Proprietary - Model ICR18650/26V Spec. No. PBRI-ICR18650/26V-D06-37 Version No. A 12.3.2.1 Discharging temperature Thecell shallbedischarged within a rangeoftemperatures specified inthe specification.Otherwise, it may cause loss of performance characteristics. 12.3.3. Over-discharging The system shouldequip witha device to preventfurther discharging exceeding discharging cut-off voltage specified in the specification. Over-discharging may cause loss of performance characteristics of cell. Over-discharging mayoccurbyself-dischargingifthecellisleftforaverylongtime without any use. Thechargershouldequipwithadevicetodetectvoltageofcellboxand todeterminerecharging procedures. 12.4. Storage 12.4.1. Storage conditions Thecellshould bestored withinarangeoftemperatures specified inthe specification.Otherwise,it may cause loss of performance characteristics,leakage and/or rust. 12.4.2. Long term storage Thecellshouldbeusedwithina short periodafterchargingbecause long-term storage may cause lossofcapacity byself-discharging.Iflong-termstorage isnecessary,thecellshouldbestored atlower voltage within a range specified in the specification, because storage withhigher voltage may cause more loss of performance characteristics. 12.5. Cycle Life 12.5.1. Thecellcanbecharged &dischargedrepeatedlyuptotimeswitha certainlevelofcapacity specified in specification. 12.5.2.Cyclelifemaybedeterminedbyconditionsofcharging,discharging,operatingtemperature and/or storage. 12.6. Design of System 12.6.1.Connection between the cell and the battery Thecellshouldnotbesoldereddirectlywithothercells.Namely,thecellshouldbeweldedwith leadsonits terminalandthen be soldered with wireorleads to solder.Otherwise,it may cause damageof component, such as separator and insulator,by heat generation. 12.6.2.Positioning the battery in the system Thebattery should be positioned as possible asfar from heat sources and high temperature components.Otherwise,it may cause lossofcharacteristics.The recommended spacing between the cells EVE Confidential 7/12
EVE ® --EVE Energy CO., LTD Confidential and Proprietary - Model ICR18650/26V Spec. No. PBRI-ICR18650/26V-D06-37 Version No. A is more than 1mm. 12.6.3.Mechanical shock protection of the battery Thebattery shouldbeequipped withappropriate shockabsorbers in the pack inorderto minimize shock,which candamagethe cells.Otherwise,it may causeshapedistortion,leakage,heatgeneration and/or rupture and/or open circuit. 12.6.4.Short-circuit protectionof thecell The cell equips with an insulating sleeve to protect short-circuit which may occur during transportation,battery assemblyand/orsystemoperation.Ifthe cell sleeveisdamaged bysome cause such as outside impact, it may cause short-circuit with some wiring inside the battery. 12.6.5. Connection between the batteryand charger/system Thebattery should be designed to be connectedonlyto the specifiedcharger and system.Areverse connectionofthebattery,even inthespecifiedsystem,shouldbeavoided byemployingspecialbattery design such as a special terminal. 12.6.6. Pack design Thecurrent consumptionofthebatterypackshouldbeunder10uAatsleepmode. Thesystem should beequippedwitha device to monitoreach voltage ofcellblock to avoid cellimbalance which can cause damage to the cells. The battery pack or system should have warning system such as over temperature,over voltage,over current, and so on. 12.7. Battery Pack Assembly 12.7.1.Prohibition of usage of damaged cell The cell should be inspected visually before battery assembly. The cell should not be used if sleeve-damage,can-distortion and/orelectrolyte-smell is detected. 12.7.2.Terminals handing Excessive force on the negative terminal should be avoided when external strip terminal is welled. 12.7.3. Transportation Ifthecellis necessarytobetransportedtosuchasthebatterymanufacturer,carefulprecautions should be taken to avoid damage of cell. 12.8. Others 12.8.1. Disassembly The cell should not be dismantledfrom the battery pack. Internal short-circuit caused by disassembly may lead to heat generation and/or venting. When the electrolyte withfresh water and seek medicaladvice. EVEConfidential 8/12
EVE ® --EVE Energy CO., LTD Confidential and Proprietary - Model ICR18650/26V Spec. No. PBRI-ICR18650/26V-D06-37 Version No. A 12.8.2. Short-circuiting Short-circuit results in very high current which leads toheat generation. An appropriate circuitry should be employed to protect accidental short-circuiting. 12.8.3. Incineration Incinerating and disposingof thecell in fire are strictly prohibited, because it may cause rupture and explosion. 12.8.4. Immersion Soakingthecellinwateris strictlyprohibited,becauseitmay cause corrosionandleakageof components to be damaged to functions. 12.8.5.Mixing use Differenttypesofcell,or same typesbutdifferentcellmanufacturershallnot be used,whichmay lead tocell imbalance,cellruptureor damage to system duetothedifferentcharacteristicsofcell 12.8.6. Battery exchange Althoughthecellcontains no environmentallyhazardous component,suchasleador cadmium,the battery shall be disposed according to the local regulations when it is disposed. Thecellshouldbedisposedwithadischargedstatetoavoidheatgenerationbyaninadvertent short-circuit. 12.8.7. Temperature measurement Thetemperature monitoring system (K-type thermocouple)isrecommendedtobeplacedinthe middleof thecell(30mm upfrom thebottom ofthecell),and theaccuracyofthetemperature monitoring system should be within ±2℃. 12.8.8. Caution The battery used in this device may present a risk of fire or chemical burn if mistreated. Do not disassemble, expose to heat above100C or incinerate it. Do not expose the cell to extreme heat or flame. Do not short circuit, over-charge or over-discharge the cell. Do not subject the cell to strong mechanical shocks. Do not immerse the cell in water or sea water, or get it wet. Do not reverse the polarity of the cell for any reason. Do not disassemble or modify the cell. Do not handle or store with metalliclike necklaces, coins orhairpins, etc. Do not use the cell with conspicuous damage or deformation. Do not connect cell to the plug socket or car-cigarette-plug. EVEConfidential 9/12
EVE ® --EVE Energy CO., LTD Confidential and Proprietary - Model ICR18650/26V Spec. No. PBRI-ICR18650/26V-D06-37 Version No. A Do not make the direct soldering onto a cell. Do not toucha leaked cell directly. Do not use Lithium-ion cell in mixture. Do not use or leave the cell under the blazing sun (or in heated car by sunshine). Keep cell away from children. Do not drive a nail into thecell, strike it by hammer or tread it. Replace battery with those of EVE only. 13.Others 13.1. Storage for a Long Time If thecellor pack iskeptforalongtime(3monthsormore),itisstrongly recommendedthatthe cell is performedone cycle,thevoltageofthecell isrecommendedfrom3.600Vto3.650V,theenvironment should be low-temperature (normally 0~25C), dry and no corrosive gas. 13.2. Others Anyother matters not covered underthis specification shall be separately negotiatedandconfirmed by both parties. 14. Consultation Address: : EVE EnergyCo.,Ltd.-EVEIndustrialParkonNo.38,Huifeng 7thRoad,Zhongkai Hi-Tech Zone, Huizhou. TelNo.: 86-752-2630809 Fax No.: 86-752-2606033 Website: Http://www.evebattery.com.cn EVE Confidential 10/12
EVE ® --EVE Energy CO., LTD Confidential and Proprietary - Model ICR18650/26V Spec. No. PBRI-ICR18650/26V-D06-37 Version No. A Attachment: Fig 1: 18.35±0.10 ） 65.00±0.15 Unit: mm with tube Fig. 1.Outline Dimensions of ICR18650/26V EVEConfidential 11/12
EVE ® --EVE Energy CO., LTD Confidential and Proprietary - Model ICR18650/26V Spec. No. PBRI-ICR18650/26V-D06-37 Version No. A Attachment: Fig 2: 2 ③ G 8 NO. Part Name Material Q'Ty 1 Cell Cylindrical 200 pcs/box 2 Packing Guide Manila 36 pcs/box 3 Box(Packing Case In) SW 2 pcs/box 4 Silica gel Si 2 pcs/box 5 Bag PE PE 1 pcs/box 6 Box(Packing Case Out) SW/DW 1 pcs/box L Tape PE 0.01 rol/box 8 Product Label Art Paper 1 pcs/box Fig.2.Package drawing EVEConfidential 12/12