The CGR18650E is indeed a type of lithium-ion battery. Specifically, it’s a model or part number for a cylindrical lithium-ion battery cell.

Part Number: CGR18650E

Function: 3.7V, 2550mAh, Lithium Ion Battery

Manufacturer: Panasonic

Images:

Description

This is 3.7V, Lithium Ion Battery. This is a standard naming convention for cylindrical lithium-ion battery cells. The “18” indicates the diameter of the cell in millimeters, and the “650” indicates the length of the cell in tenths of millimeters. So, an 18650 cell is approximately 18 mm in diameter and 65.0 mm in length.

Lithium-ion batteries like the CGR18650 are commonly used in various applications, including portable electronics, laptops, power tools, electric vehicles, and more. They offer a high energy density and rechargeability, making them suitable for devices that require lightweight and long-lasting power sources.

1. Typical discharge characteristics 2.0It（4900mA） 1.0It（2450mA） 0.2It（490mA） （＋） 400 800 1200 1600 2000 2400 Max. 65.2 Discharge capacity（mAh） 【Test condition】 Charge ： constant voltage/constant current, 4.2V Max.0.7It（1715mA）, 50mA cut-off Discharge ： constant current, 3.0V cut-off Temperature ： 25℃ （－） ※Dimensions of a fresh battery. Voltage（V） 5.0 4.5 4.0 3.5 3.0 -20℃ 2.5 0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 60℃ 45℃ 25℃ 10℃

2. Specifications Nominal voltage Typical capacity *1 Dimensions Diameter Height 3.7V 2550mAh Max. 18.6mm Max. 65.2mm 46.5g -10℃ 0℃ Discharge capacity（mAh） 【 Test condition】 Charge ： constant voltage/constant current, 4.2V Max.0.7It（1715mA）, 50mA cut-off、25℃ Discharge ： constant current, 1.0It（2450mA）, 3.0V cut-off Approx. weight *1 Charge ： constant voltage/constant current, 4.2V, max. 1715mA, 50mA cut-off Discharge ： constant current, 490mA, 3.0V cut-off Temperature ： 25℃

3. Typical charge characteristics Capacity（mAh） 5.0 4.5 Voltage（V） Voltage 4.0 3.5 3.0 2.5 0.0 Capacity Current 2800 2400 Current（mA） Capacity（mAh） 2000 1600 1200 800 400 0.5 1.0 1.5 Time（h） […]

 

CGR18650E PDF Datasheet

A lithium-ion battery (Li-ion battery) is a rechargeable battery type that uses lithium ions as the primary charge carriers. It is widely used in portable electronic devices, electric vehicles, energy storage systems, and many other applications due to its high energy density, lightweight design, and long cycle life.

Part Number: CGR18650CG

Function: 3.6V, Lithium Ion Battery

Manufacturer: Panasonic

Images:

Description

The CGR18650CG is a specific model of lithium-ion rechargeable battery. It is commonly used in various applications such as portable electronics, power tools, electric vehicles, and other high-capacity battery-powered devices.

Features:

1. Type: Lithium-ion (Li-ion)
2. Nominal Voltage: 3.6 volts
3. Nominal Capacity: Typically around 2200mAh (milliampere-hours)
4. Chemistry: Lithium Cobalt Oxide (LiCoO2)
5. Size: 18650 (18mm in diameter, 65mm in length)
6. Charging Method: Constant Current/Constant Voltage (CC/CV)
7. Discharge Cut-off Voltage: Typically around 2.5 volts
8. Maximum Continuous Discharge Current: Typically around 10A

LITHIUM ION BATTERIES: INDIVIDUAL DATA SHEET CGR18650CG: Cylindrical Model Discharge Characteristics 5.0 Voltage (V) External Dimensions (mm) *2 4.5 4.0 3.5 3.0 2.5 0 Charge Condition: CVCC 4.2V Max. 0.7It (1500mA), 110mA cut-off at 20ºC Discharge Condition: 1It (2150mA), 3.0V cut-off 45ºC 20ºC 10ºC +0 18.6 – 0.7 (+) -10ºC 200 400 600 800 0ºC 1000 1200 1400 1600 1800 2000 2200 2400 2600 Discharge Capacity (mAH) 65.2 – 1.0 +0 5.0 4.5 Charge Condition: CVCC 4.2V Max. 0.7It (1500mA), 110mA cut-off at 20ºC Disharge Condition: Constant Corrent, 3.0V cut-off at 20ºC Voltage (V) 4.0 3.5 3.0 2.0It (4300mA) 1.0It (2150mA) 0.2It (430mA) (With Tube) 2.5 0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 (-) Discharge Capacity (mAH) To ensure safety, the referenced Li-ion cell is not sold as a bare cell. Li-ion cells must be integrated with the appropriate safety circuitry via an authorized Panasonic Li-ion pack assembler. Charge Characteristics 5.0 4.5 Charge Condition: CVCC 4.2V Max. 0.7It (1500mA), 110mA cut-off at 20°C 2800 2400 2000 1600 Voltage Capacity 1200 800 400 2.0 0 2.5 Specifications Nominal Voltage Standard Capacity*1 Diameter Height Dimensions*2 Weight 3.6 V 2250mAh 18.6 + 0/-0.7mm 65.2 + 0/-1.0mm Approx. 45g Voltage (V) 4.0 3.5 3.0 2.5 0.0 Current *1 After a fresh battery has been charged at constant voltage/constant current (4.2 V, 1500mA (max), 2 hours, 20°C), the average of the capacity (ending voltage of 3 V at 20°C) that is discharged at a standard current (430mA). *2 Dimensions of a fresh battery 0.5 1.0 Time (hour) 1.5 Cycle Life Characteristics 2800 2400 Capacity (mAh) 2000 1600 1200 800 400 0 0 Charge Condition: CVCC 4.2V Max. 0.7It (1500mA), 110mA cut-off at 20°C. Discharge Condition: Constant Current 1.0It (2150mA), 3.0V cut-off at 20°C. Charge/Discharge Rest Time: 20 min. 100 200 Cycle Number 300 400 500 Lithium Ion DECEMBER 2008 This information is generally descriptive and is not intended to make or imply any representation, guarantee or warranty with respect to any cells and batteries. Cell and battery designs/specifications are subject to modification without notice. Contact Panasonic for the latest information […]

 

CGR18650CG PDF Datasheet