ICR 18650 Battery 2000mAh 3.7V Manufacturer in China
The VTCBATT ICR 18650 battery 2000mAh is a cylindrical lithium-ion battery. It delivers a consistent 3.7V output with a 2000mAh capacity. It features high energy density, low self-discharge, and a long cycle life of over 500 cycles. Each of our batteries is equipped with advanced protection circuits, which prevent overcharge, over-discharge, and excessive current.
Our ICR batteries are ideal for a wide range of applications, including consumer electronics, electric mobility devices, power tools, and safety equipment. To support diverse industrial needs, we provide custom services for terminals and branding options, allowing seamless integration into your products.
ICR 18650 Battery Model
Advantages of Our ICR 18650 Battery
VTCBATT is able to mass-produce ICR 18650 batteries and provide customized solutions. Our batteries can achieve seamless integration into your products.
With lithium cobalt oxide (LiCoO₂) chemistry, the ICR battery can deliver 2000mAh in a compact size. It’s suitable for devices that require long operating times, such as flashlights, laptops, and portable electronics.
Our ICR 18650 battery can supply consistently. Under long-term continuous use, stable power will help avoid sudden cutoff or drop in performance
It can be used over 500 charge/discharge cycles without significant deterioration in battery capacity, and has a very low self-discharge rate.
All of our batteries are combined with strict quality control and IEC standard testing. The ICR battery is equipped with built-in protections against overcharging, over-discharging, and short-circuiting.
Our battery is free from mercury and other hazardous heavy metals. It’s compliance with RoHS, being a sustainable choice for international markets.
Our 18650 battery is small and easy to carry. The mature technology of producing ICR batteries makes it cost-effective for large-scale production.
This battery meets global safety and quality requirements and is UN38.3, MSDS, CE, and UL certified.
100K Daily Output of 18650 Cells
Featuring the most common lithium battery models, the entire production process of 18650 cells is highly standardized and mature, with a daily output capacity of 100,000 pieces. With key features such as high consistency, low self-discharge, and excellent cell matching, these cells can be connected in multiple configurations for a wide range of applications.
ICR 18650 2000mAh 3.7V lithium-ion battery Test Data
Reliable 18650 Lithium-Ion Power Solution
The ICR 18650 2000mAh 3.7V lithium-ion battery offers stable voltage output, high energy density, reliable cycle performance, and steady discharge behavior for various portable power applications.
Common Applications
Flashlights, Portable lighting products, Small fans, Emergency power devices, Consumer electronics, Electric tool battery packs, Portable energy storage devices
Advantages of 18650 Battery Format
Compact size with long runtime, Stable and dependable power delivery, Wide compatibility for different devices, Suitable for various operating conditions
VTCBATT Battery Manufacturing Support
With 20 years of industry experience, VTCBATT supports ready stock supply, low MOQ customization, application-based battery customization, and environment-specific battery solutions for reliable large-scale delivery.
Applications of ICR 18650 2200mAh 3.7V Battery
The ICR 18650 2200mAh 3.7V lithium battery is designed for a broad range of industries and devices that demand reliable, stable power with long runtime. Its compact size, high energy density, and consistent voltage output make it a versatile power solution across multiple fields.
Consumer ElectronicsThe ICR 18650 battery is widely used in various consumer electronics due to its high energy density and stable voltage output. It powers devices such as laptops, power banks, flashlights, vapes, and portable audio/video gadgets. The battery’s lightweight design enables compact and sleek product forms, while its long cycle life ensures extended usability. Wireless devices, including cordless telephones, microphones, and remote controllers, also rely on this battery for longer operational times and dependable performance.
Electric Mobility & Power ToolsElectric bicycles, scooters, e-skateboards, and other low-speed electric vehicles integrate ICR 18650 cells in their battery packs. The stable discharge profile supports continuous motor operation, ensuring efficient and reliable travel. Power tools like drills, saws, and industrial equipment benefit from the battery’s ability to deliver high currents and maintain long service life, reducing downtime and improving productivity in demanding environments.
Smart Home & Safety DevicesIn safety-critical applications such as smoke alarms and wireless doorbells, the ICR 18650 battery offers consistent power and long shelf life. This reliability reduces maintenance frequency and guarantees functionality over the years, even under varying temperature conditions. Its steady voltage ensures reliable audio and visual alerts, enhancing home safety systems.
Medical & Precision InstrumentsElectronic thermometers and other portable medical devices use ICR 18650 batteries for their precision power requirements. The stable voltage output prevents measurement errors, ensuring accurate readings. Compact size and rechargeable properties help in designing ergonomic, sustainable medical equipment.
Electronic Toys & Hobby ProjectsRemote-controlled toys, drones, robotic projects, and DIY electronics kits commonly adopt ICR 18650 batteries. Their high capacity supports extended playtime and operation, while the low memory effect allows flexible charging. Customizable battery terminals enhance adaptability to diverse toy and hobbyist designs.
Energy Storage & LightingThe battery is suitable for energy storage applications, including solar power banks and uninterruptible power supplies (UPS). It also powers portable lighting devices such as miner lamps and LED flashlights, providing reliable illumination in off-grid and emergency scenarios. Its rechargeable nature and high cycle life make it ideal for repeated use in these critical systems.
The ICR 18650 battery 2000mAh 3.7V is a cylindrical lithium-ion battery using lithium cobalt oxide (LiCoO₂) as the cathode material. Compared to other lithium-ion chemistries like IMR or INR, ICR batteries offer higher energy density but require integrated protection circuits due to their lower thermal stability. The nominal voltage is 3.7V, and the 2000mAh capacity provides a balance between size and runtime, suitable for medium-power applications.
Internal resistance in the ICR 18650 battery 2000mAh 3.7V impacts its ability to deliver current and affects heat generation during operation. Lower internal resistance enables stable high-current discharge with minimal voltage drop and heat, enhancing efficiency and safety. Typically, quality ICR 18650 cells have internal resistance values below tens of milliohms, ensuring consistent performance.
The typical continuous discharge rate (C-rate) for the ICR 18650 battery 2000mAh 3.7V ranges between 0.5C to 1C, meaning it can safely deliver currents up to 1–2A continuously. This makes it suitable for moderate power devices, while higher discharge rate demands generally require other lithium-ion types like IMR or INR.
Due to the chemical nature of the ICR 18650 battery 2000mAh 3.7V, integrated protection circuits are essential to prevent overcharging, over-discharging, and excessive current. These circuits include:
Overcharge protection, cutting off charging above 4.25V to avoid damage.
Over-discharge protection, stopping discharge below 2.3–2.75V to preserve battery health.
Overcurrent protection, preventing charge or discharge currents exceeding 3C to maintain safety.
The ICR 18650 battery 2000mAh 3.7V generally offers more than 500 charge-discharge cycles under recommended conditions. Factors affecting cycle life include depth of discharge, operating temperature, charging current, and proper usage within voltage limits. Maintaining a charging temperature of 0–45°C and a discharge between -20–60°C helps maximize lifespan.
The positive terminal of the ICR 18650 battery 2000mAh 3.7V is typically the raised “button top” or flat surface marked with a “+” sign. The negative terminal is the flat base marked with a “-” sign. Correct polarity identification is critical for safe device installation and to prevent short circuits or damage.
The ICR 18650 battery 2000mAh 3.7V complies with UN38.3 transport testing standards, which include assessments of altitude simulation, thermal shock, vibration, and short circuit, ensuring safe handling during air and ground transportation. Proper packaging, insulation, and labeling according to these standards are mandatory for international shipping.
A4: For optimal storage of lithium-ion batteries like the ICR 18650, discharge the battery completely before storage. Store in a dry, temperature-controlled environment, ideally between -20°C and 45°C. Avoid exposure to high temperatures or humidity to minimize capacity loss and extend shelf life.
To meet diverse industrial needs, we offer comprehensive custom terminals and branding options for the ICR 18650 battery:
- Flat Top terminals are designed for easy assembly in battery packs and allow efficient welding and connection.
- Button Top terminals fit single-cell devices requiring straightforward installation and compatibility.
- Custom printed branding on the battery surface helps enhance product identity and brand recognition.
Proper handling of the ICR 18650 lithium-ion battery is crucial for safety and longevity.
- Always follow the device user manual and charger instructions.
- Charge the battery within the specified temperature range of 0°C to 45°C and avoid exceeding the maximum charge voltage of 4.25V.
- The discharge temperature range should be between -20°C and 60°C, and the battery voltage must never drop below 2.75V during discharge.
- Ensure correct polarity during installation to prevent short circuits. Store batteries separately in a dry, cool environment away from direct sunlight or heat sources.
- Use only chargers designed for this battery type to avoid damage.
To ensure the safe operation of the ICR 18650 battery
- Never use incompatible chargers, including car cigarette lighter jacks.
- Do not disassemble or modify the battery, and avoid any mechanical damage such as puncturing or dropping.
- Soldering directly on the battery is prohibited as it may damage the internal structure.
- Do not expose the battery to fire, microwaves, or extreme heat.
- Mixing old and new cells or different battery types in a pack is not recommended. Short-circuiting the battery terminals with conductive materials must be strictly avoided.
