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joinsun inr21700-40c 4000mah

INR21700-40C 4000mAh Digital 数码型

Joinsun INR21700-40C 4000mAh Storage-Type Lithium-ion Cells are certified by UL, CE, CCC, and CB, making them ideal for power banks, portable power stations, 3C digital products, small appliances, portable handheld fan, flashlight, 24-hour security device, emergency lighting, and more. 吉欣 INR21700-40C 4000mAh 储能型锂电芯已通过 UL、CE、中国3C 和 CB 认证，适用于充电宝、户外电源、3C数码产品、便携式风扇、小家电、手电筒、理发器、应急灯、24小时安防等产品。

Joinsun uses BASF's cathode materials for 21700 and 18650 lithium-ion cells Joinsun uses SHANSHAN's electrolyte for 18650 and 21700 lithium-ion cells Joinsun uses SEMCORP's separator for 18650 and 21700 lithium-ion cells Joinsun uses GUIBAO's anode material for 21700 and 18650 lithium-ion cells Joinsun uses ZET's anode material for 21700 and 18650 lithium-ion cells Joinsun uses JINYANG's steel case for 21700 and 18650 lithium-ion cells

UL Certified Joinsun 21700 / 18650 Lithium-ion Cells FCC Certified Joinsun 21700 / 18650 Lithium-ion Cells CE Certified Joinsun 21700 / 18650 Lithium-ion Cells RoHS Certified Joinsun 21700 / 18650 Lithium-ion Cells IEC Certified Joinsun 21700 / 18650 Lithium-ion Cells CB Certified Joinsun 21700 / 18650 Lithium-ion Cells CCC Certified Joinsun 21700 / 18650 Lithium-ion Cells BSMI Certified Joinsun 21700 / 18650 Lithium-ion Cells PSE Certified Joinsun 21700 / 18650 Lithium-ion Cells BIS Certified Joinsun 21700 / 18650 Lithium-ion Cells

SPECS 规格参数

Model 型号 INR21700-40C
Cathode Material 正极材料 NCM 三元
Nominal Capacity 标称容量 4000mAh
Rated Capacity 额定容量 3900mAh
Nominal Voltage 标称电压 3.6V
Max Charge Voltage 最大充电电压 4.2V
Discharge Cut-off Voltage 放电截止电压 2.75V
Nominal Energy 标称能量 14.4Wh
Charge 充电 Standard Continuous Charge Rate: 0.5C 标准持续充电倍率: 0.5C
Discharge 放电 Max Continuous Discharge Rate: 2C 最大持续放电倍率: 2C
Max Non-Continuous Discharge Rate: 4C 最大非持续放电倍率: 4C
Cycle Life 循环寿命 80% DoD (25°C):
➊ ≥400 Cycles (Charge: ➊ ≥400 次 (充电: 0.5C, Discharge: 放电: 2C)
➋ ≥500 Cycles (Charge: ➋ ≥500 次, (充电: 0.5C, Discharge: 放电: 1C)
Internal Resistance 内阻 22 mΩ
Operating Temperature 工作温度 Ambient: 电芯周围环境温度:
Charge: 充电: 0~45°C
Discharge: 放电: -20~60°C

Cell Surface: 电芯表面温度:
Charge: 充电: 0~50°C
Discharge: 放电: -20~80°C
Charge Temperature &
Actual Charge Capacity
(Relative to Nominal Capacity) 不同充电温度下的实际充电量
(相对于标称容量) 		0°C: 80%
5°C: 90%
25°C: 100%
45°C: 100%
50°C: 95%
Discharge Temperature &
Actual Discharge Capacity
(Relative to Nominal Capacity) 不同放电温度下的实际放电量
(相对于标称容量) 		-20°C: 60%
-10°C: 75%
0°C: 80%
25°C: 100%
45°C: 99%
60°C: 95%
Storage Temperature 存储温度 1 Year: 1年: 0~25°C
3 Months: 3个月: 0~45°C
1 Month: 1个月: 0~60°C
(Recovery ≥90% after storage) 储存后的容量恢复率 ≥90%
Diameter 直径 21.7±0.15mm
Height 高度 70.8±0.2mm
Weight 重量 67.2±1g
Certifications 认证 UL, FCC, CE, RoHS, EU Battery Regulation, IEC, CB, CCC, BSMI, BIS, PSE, MSDS, UN38.3
Best Uses 适用 High-Performance Energy Storage:
Power banks, portable power stations, mobile power devices, 3C digital products

Home Appliances:
Small appliances, security devices, lighting equipment, portable handheld fan

Tools:
Electric hair clippers 高性能储能: 充电宝，户外电源，移动电源，3C数码产品
家电: 小家电，安防类，照明类，便携式手持风扇
工具: 理发器
OEM / ODM Yes
Daily Production Capacity 吉欣工厂日产能 250,000 Cells 25万只


Joinsun Grade-A 21700 / 18650 Lithium-ion Cells

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21700 / 18650 Lithium Ion Cell Manufacturer in China

21700 / 18650 锂电芯中国制造商

Company 公司

Manufacturing Capability 制造实力

Solutions 解决方案

    For Power Bank 充电宝类
    For Portable Power Station 户外电源类
    For Scooter 2轮/3轮电动车类
    For E-Bike 电动单车类
    For Power Tools 电动工具类
    For Garden Tools 花园电动工具类

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