3.7V IMR26650 4500mAh High Drain Li-ion Battery Cell for power tools, flashlights, energy storage
| Item | Specification | Item | Specification |
|---|---|---|---|
| Nominal Capacity | 4500mAh | Minimum Capacity | 4180mAh |
| Nominal Voltage | 3.7V | Discharge Cut-off Voltage | 2.50V |
| Charge Voltage | 4.2 ± 0.03V | Internal Resistance | ≤ 15mΩ |
| Standard Charge | 0.2C CC to 4.2V, then CV 4.2V until current ≤ 0.01C (Approx. 6.5h) | Standard Discharge | 0.2C CC discharge to 2.50V |
| Fast Charge | 1C CC to 4.2V, then CV 4.2V until current ≤ 0.01C (Approx. 1.5h) | Fast Discharge | 1C CC discharge to 2.50V |
| Max. Continuous Charge Current | 3.6A | Max. Continuous Discharge Current | 60A |
3.7V IMR26650 4500mAh Lithium Battery Manufacturer in China
VTCBATT is a reliable China-based manufacturer of 3.7V IMR 26650 4500mAh lithium ion cylinder batteries, offering factory-direct supply, high-discharge performance, and consistent quality backed by strict testing and 3-cycle aging processes. With strong OEM/ODM capabilities, VTCBATT supports customization in capacity, terminals, and battery pack solutions with BMS integration. All products comply with international certifications such as UN38.3, CE, and RoHS, ensuring safe global transportation and market access. Supported by advanced production lines and in-house R&D, VTCBATT delivers stable, high-performance batteries widely used in power tools, energy storage systems, and other high-drain applications, along with a 14-month warranty for added reliability.
Full Certification & Extended Warranty
VTCBATT Lithium ion batteries meet global certifications including CB, CE, UL, and UN38.3, and offer a 14-month warranty—two months longer than standard—to maximize customer confidence and profit.
CertificationVTCBATT lithium polymer batteries have passed numerous important international certifications, including UL1642, IEC62133, UN38.3, CE, ROHS, BIS and EU2024/1542, CE, ROHS, REACH, and KC certifications.
WarrantyVTCBATT Lithium batteries come with a 14-month warranty, 2 months longer than the standard 12-month warranty, providing extra coverage for shipping and customs clearance. This ensures customer confidence.
CustomizationDifferent sizes,capacities, connectors, discharge rates,and cases. Just inform us of your specific requirement, and our professional engineers can provide you with the customized Lithium battery proposal.
Flexible order quantity to support prototype testing and mass production.
Our technical and sales teams reply to your inquiry within 6 hours.
Test our lithium battery quality and performance before placing bulk orders.
Batteries certified to UL, CE, UN38.3, MSDS, ROHS, IEC62133, and more global standards.
IMR26650 Battery Test Data
 Discharge Performance at Multiple Currents VTCBATT discharge performance chart for the IMR26650 5200mAh cell, showing voltage change over time across multiple current levels. |  Charging Characteristics VTCBATT charging characteristics chart for the IMR26650 5200mAh cell, including charge voltage, charge current, and charged capacity trends. |
 Constant Power Discharge Test VTCBATT constant power discharge test chart for the IMR26650 5200mAh cell, comparing voltage and current behavior during a 10W load. |  Protection Test at Increasing Current VTCBATT protection test chart for the IMR26650 5200mAh cell, illustrating voltage behavior as discharge current increases. |
Why Choose VTCBATT?
VTCBATT not only focuses on customized design and excellent service to meet the diverse demands of different customers, but also devotes itself to precise and standardized manufacturing in every process to ensure the highest-quality batteries. Meanwhile, VTCBATT will provide comprehensive support from pre-sales to after-sales, focusing on customers’ feedback to establish long-term and win-win cooperation. VTCBATT professional sales and technical engineer teams will be your best custom battery experts to assist with reliable and fast services at any time.
From the raw materials mixing to the cell test, VTCBATT adopts an automatic manufacturing process to maximize production efficiency and enhance the batteries quality, safety, and reliability. The entire manufacturing process is monitored and 100% tested before flowing to the next procedure to ensure zero defects before delivery.
Over the past 20 years, VTCBATT has built strong partnerships with customers in more than 50 countries worldwide. With reliable quality, responsive service, and tailored battery solutions, we have earned the trust of our clients—many of whom have maintained long-term cooperation and lasting friendships with us for over a decade. Together, we continue to grow and move forward toward a brighter future.
Application
The VTCBATT 3.7V IMR26650 4500mAh lithium battery is designed for high-drain, high-power applications that require stable voltage and reliable performance. With its robust 26650 cylindrical format and LiMn₂O₄ (IMR) chemistry, it is ideal for power tools, high-power flashlights, portable power stations, electric mobility devices, and backup power systems. This battery supports customized capacity, discharge rate, terminals, and protection configurations to meet specific project requirements. Featuring low internal resistance, high discharge capability, long cycle life, and consistent output, the VTCBATT IMR26650 battery ensures efficient operation, enhanced safety, and dependable performance for demanding industrial and high-drain applications.
