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joinsun inr21700-55e 5500mah

INR21700-55E 5500mAh Storage 储能型

Joinsun INR21700-55E 5500mAh Storage-Type 21700 Battery Lithium-ion Cells are certified by UL, CE, CCC, and CB, making them ideal for power banks, portable power stations, portable fans, flashlight, electric hair clipper, security devices, and more. 吉欣 INR21700-55E 5500mAh 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、便携式风扇、手电筒、理发器、应急照明、安防、小型花园工具等产品。

Joinsun uses BASF's cathode materials for 21700 and 18650 lithium-ion cells Joinsun uses Tinci's electrolyte for 18650 and 21700 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

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 INR21700-55E
Cathode Material 正极材料 NCM (NMC) 三元
Nominal Capacity 标称容量 5.5Ah (5500mAh)
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
Charge Current 充电电流 2.75A (0.5C)
Discharge Current 放电电流 16.5A (3C)
27.5A (5C Pulse)
Nominal Energy 标称能量 19.8Wh
Energy Density 能量密度 818Wh/L
271Wh/kg
Internal Resistance (IR) 内阻 22mΩ ±3
Cycle Life 循环寿命 80% DoD (25°C):
≥400 Cycles ≥400 次 Discharge 放电: 16.5A (3C)
Diameter 直径 21.7±0.15 mm
Height 高度 70.8±0.2 mm
Weight 重量 73.2±1g
Max Series Connections 最大串联 7
(25.2V)
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: 65%
-10°C: 80%
0°C: 85%
25°C: 100%
45°C: 99%
60°C: 97%
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%
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 household appliances, security devices, lighting equipment, rechargeable handheld fan

Tools:
Compact power tools, small garden tools, 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: 小型电动工具，小型园林工具，理发器
OEM / ODM Yes
Warranty 保修 1 Year 1 年
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 Battery / 18650 Battery 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

News 公司新闻

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