18650 Rechargeable Battery Lithium Cell Li-ion 2500mAh 3.6V High Capacity for Boats

  Product Description Item Specifications  Capacity Typical Capacity  [email protected]    25±2ºCMinimum Capacity [email protected] ,25±2ºCNominal Voltage3.7VInternal Impedance≤50mΩ      (with PTC)Discharge Cut-offVoltage3.0±0.05VCharging Voltage4.20V±0.05V Standard Charging0.5C Quick Charging1.0C Standard Discharging1.0C Quick Discharging2.0C Max Discharge Current3.0C Weight45±2g DimensionsDiameter(φ): 18.55±0.3mmHeight (H): 65.35±0.2mmOperating Temperature (Ambient) Charge Temperature :0 ~ 45ºCDischarge Temperature:-20 ~ 60ºCStorage TemperatureMin 1month: :- 10ºC~+45ºCMin 6months: :- 10ºC~+35ºCºC Standard Charge methodConstant Current Constant Voltage(CC/CV)Constant Current:1250mAMax. Charge voltage:4.2VCut-off Current :25mAStandard Discharge  Constant Current Discharge (DC)Constant Current:1250mACut-off Voltage:3.0VItemsInspecting MethodStandardNominalcapacityThe  charger  provides  0.5I1   (A)  constant  current  until  the battery voltage reaches 4.20V at (25±2ºC), then charges at 4.20V constant voltage, and gradually reduces the charging current to less than or equal to 0.01I1  (A). Take a 10-minute break. Then the discharge capacity of the battery is measured during the supply of 0.5I1  (A) current until the voltage drops to 3.0V. ≥ 2450Discharge Rate Charge according  at 25±2ºC, rest for 10 minutes. Then the battery discharge with vary current to the end,  measuring the discharge capacity percentage. 0.5C100%1C96%3C90%Temperature   ºCTime Increment   minCumulative Time minTemperature Rate   ºC/min25000-40606013/ 12-40901500256021013/ 1285903002/385110410025704806/7 Standard Charge methodConstant Current Constant Voltage(CC/CV)Constant Current:1250mAMax. Charge voltage:4.2VCut-off Current :25mAStandard Discharge  Constant Current Discharge (DC)Constant Current:1250mACut-off Voltage:3.0VDetailed Photos            Our Advantages      Company ProfileZenith Star (Tianjin) Electronic Technology Co., Ltd was established in September 2017 and is headquartered in Tianjin, China. It is a new energy battery technology enterprise focused on technology promotion, application services, and product sales. We are committed to building a comprehensive service platform for new energy applications and becoming a problem solver and solution provider in the new energy industry. The core R&D team members of the company have many years of experience in the new energy industry and can provide customized solutions based on customers' actual needs in the fields of new energy batteries and new energy vehicles.Our factory (Tianjin Shenli) is located in Tiankai Pioneer Park, 33 Huishen Road, Xiqing District, Tianjin. Our factory has a number of professional talents such as national electric vehicle 863 project experts, new energy vehicle professional power battery lecturers, senior engineers, structural engineers, circuit engineers, software engineers, and new energy maintenance technicians, among others.Our company has always adhered to the business philosophy of "truth-seeking, pragmatic, efficient, and innovative," and is committed to providing customers with the best quality products and the most attentive services. We aim to provide shareholders with an ideal platform for maintaining and increasing the value of investment and to offer employees a warm home for sharing entrepreneurial achievements.Our company offers a variety of products that can meet your multifarious demands. Since the establishment of the company, we have adhered to the management principles of "quality first, customer first, and credit-based" and always do our best to satisfy the potential needs of our customers. We sincerely wish to cooperate with enterprises from all over the world to achieve a win-win situation, as the trend of economic globalization has developed with enterprises from all over the world to achieve a win-win situation,as the trend of economic globalization has developed with an irresistible force.  CertificationsFAQ1. Q: Do you offer international shipping for your batteries?    A: Yes, we provide international shipping services for our batteries.2. Q: What are the shipping costs for international orders?    A: Shipping costs for international orders may vary based on the destination and order quantity. Please contact our sales team for specific details.3,Q:Where is the address of your company?   A:Tianjin, China, has convenient sea, land, and air transportation channels and is an important transportation hub in northern China.4. Q: What is the estimated delivery time for international orders?    A: The estimated delivery time for international orders depends on the destination and shipping method. Our sales team can provide you with an accurate delivery timeframe.5. Q: Are there any import taxes or customs duties that I need to pay for international orders?    A: Import taxes and customs duties may apply to international orders. Customers are responsible for any applicable taxes or duties imposed by their country's customs regulat