SunPower 18650 2000mAh 20A Rechargeable Lithium Ion Battery Cell
3.7V Li-ion Batteries For Electric Tool
18650 High Rate Battery Cells Advantages
The 18650 high rate battery cell has distinct advantages that make
it highly valuable in various applications.
Firstly, it offers a relatively high energy density. Despite its
compact 18mm diameter and 65mm length, it can store a significant
amount of energy. This allows for longer operation times in
portable devices. For instance, in handheld vacuum cleaners, the
18650 cell provides the necessary power to maintain suction for an
extended period, enhancing cleaning efficiency.
Secondly, its high-rate discharge capability is outstanding. It can
supply large currents during discharge, which is essential for
applications like RC (radio-controlled) cars and power tools. In an
RC car, the 18650 cell enables rapid acceleration and high-speed
driving, providing an exciting and responsive experience. In power
tools, it ensures strong and consistent performance, facilitating
tasks such as drilling and cutting.
Furthermore, 18650 high rate cells possess good thermal stability.
They can effectively dissipate heat generated during operation,
reducing the risk of overheating and potential damage. This makes
them reliable in continuous-use scenarios. In addition, the wide
availability and standardization of 18650 cells lead to cost
advantages. Their mass production and common usage in the market
result in relatively lower prices compared to some custom battery
solutions. This affordability, combined with their performance,
makes them a popular choice for manufacturers and consumers alike.
In summary, the 18650 high-rate battery cell's energy density,
discharge performance, thermal stability, and cost-effectiveness
contribute to its extensive application and significance in modern
technology.
18650 2000mAh High Rate Battery Cells Nominal Specifications
| Model | INR18650-2000 |
| Nominal Capacity | 2000mAh Charge:1000mA,4.20V,CCCV 40mA cut-off,
Discharge:400mA,2.75V discharge cut-off |
| Min Capacity | 1950mAh
Charge:1000mA,4.20V,CCCV 40mA cut-off,
Discharge:400mA,2.75V discharge cut-off |
| Nominal Voltage | 3.7V |
| Max. Charge Voltage | 4.20 ± 0.05V |
| Standard Discharge Cut-off Voltage | 2.75V |
| Standard Charging Mode | CC-CV |
| Standard Charge Current | 1.0A / 0.5C |
| Max. Charge Current | 4.0A / 2.0C |
| Charge Time | 180min(25±3℃) |
| Max. Continuous Discharge Current | 20A / 10C |
| Max. Pulse Discharge Current | 50A( 2s pulse ) |
| Standard Diameter of battery(include PET) | ≤ 18.50 mm |
| Standard Height of battery (include PET) | ≤ 65.30 mm |
| Weight | ≤ 45 g |
| AC Impedance (at 1000Hz,30%SOC) | ≤ 18.0mΩ |
| Status of the cell as of ex-factory | 3.500V～3.650V |
Operating Temperature
(surface temperature) | Charge 0℃＜T≤ 20℃ Max. Charge Current 1.0A 20℃＜T≤ 50℃ Max. Charge Current 4.0A |
Discharge -20°C~75°C |
| Storage Temperature | 3 months -20°C~55°C |
1 year -20°C~25°C |
Cycle Life
(25℃±3℃) | 2A charge / 10A discharge ≥ 400cycles |
| 4A charge / 20A discharge ≥ 200cycles |
| Warranty Period | 12 months from manufacturing code |
Outline Dimensions:
 
|
18650 2000mAh High Rate Battery Cells Applications
The following are some common applications of 18650 high-rate
battery cells:
Power Tools
18650 batteries are widely used in power tools such as cordless
drills, electric saws, sanders, and grinders. Their high discharge
rate ensures consistent power delivery, allowing these tools to
operate at peak performance levels. The compact size and
lightweight design also make them ideal for integration into
handheld power tools, enhancing maneuverability.
Consumer Electronics
In laptops, 18650 batteries provide extended use without frequent
recharging, enhancing user productivity. Digital cameras benefit
from their long-lasting power, enabling more photos and videos to
be captured. Portable chargers or power banks use 18650 cells to
keep mobile devices operational throughout the day.
Electric Vehicles and E-bikes
In the automotive industry, electric vehicles and hybrid cars
utilize 18650 batteries to provide power for propulsion and onboard
systems. E-bikes and electric scooters also rely on these batteries
due to their compact size and efficiency, offering eco-friendly and
cost-effective transportation solutions.
Renewable Energy Systems
18650 batteries play a crucial role in solar and wind energy
storage systems. They store excess energy generated during the day
or in windy conditions for use during nighttime or when there is no
sunlight or wind, ensuring a consistent energy supply.
Medical Devices
Medical devices like portable oxygen concentrators, infusion pumps,
and diagnostic equipment often use 18650 batteries because of their
long cycle life and reliable power delivery. In emergency
situations, these battery-powered devices offer greater mobility
and flexibility for patients and healthcare professionals.
Other Applications
They are also used in various other devices such as electric
toothbrushes, hair clippers, speakers, e-cigarettes, flashlights,
and even some toys and small household appliances.
UNEMETECH Service
1). Professional lithium ion battery cells and packs supplier for
over ten years
2). Strong R&D team to support,
3). Offer OEM/ODM service for customer's order,
4). Quick reply and action, fast delivery
5). Competitive price, good sale and after-sales service.
