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26700 Battery Cell

26700 Battery Cell
Details:
•  800+ Cycles at 100% Depth of Discharge (DOD): Outperforms standard Li-ion cells, ensuring long-term reliability for EVs and energy storage systems.


• High Energy Density (200 Wh/kg): Compact size (21.3mm x 70.3mm) and lightweight design (85g) maximize power output without compromising space


• -20°C to 60°C Operational Range: Maintains 70% capacity at -20°C and 98% at 55°C (1C discharge rate), ideal for harsh environments


• Passes rigorous tests including overcharge, short circuit, and thermal shock (IEC 62133, UL 1642)


• C.Automated production ensures <4% self-discharge/month and 100% SOC stability.
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Description
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Features

 

 

 

 

 

 

 

 

Engineered with advanced Nickel Cobalt Manganese (NCM) technology, this high-performance cell delivers 200 Wh/kg energy density and ≥600 cycles at 100% depth of discharge (DOD), ensuring long-term reliability. Certified to UL 1642 and IEC 62133 safety standards, it operates efficiently in extreme temperatures from -20°C to 60°C (70%~98% discharge efficiency @1C), making it ideal for demanding applications like electric vehicles, energy storage systems, and medical devices.

 

 

Main Parameters

 

 

ITEMS

SPECIFICATION

Nominal Capacity

4000 mAh @1C
(Discharge the cell from 3.65V to 2.0V by IC current)

Minimum Capacity

3900mAh@1C
(Discharge the cell from 3.65V to 2.0V by 1C current)

Nominal Voltage

3.2V

Charging Voltage

3.65±0.05V

Charging Method

CC-CV(2000mA,3.65V,200mA cut-off)

Standard Charge Current

0.5 C(2000 mA)

Discharge Cut-off Voltage

2.0±0.05V

Standard Discharge Current

1C(4000mA)

Operating Temperature(Cell Surface
Temperature)working temperature

Charge：0 to 50℃
Discharge：-20 to 55℃

AC Internal Resistance

<20 mΩ (ACIR)

Energy Density

>135Wh/kg

Weight

<93g

Cell Dimension

Height : 71 mm±0.20 mm
Diameter : 26.4 mm±0.20 mm

Storage Temperature

1 year: -20~25℃
3 months :- 20~45℃
1 month : -20~55℃

Maximum Continuous Charging Current

0℃: can not charging Temperature
0~5℃:≤0.1C
5~15℃:≤0.2C
15~25℃:≤0.5C
25~35℃:≤1C
35~45℃:≤0.7C
45~50℃:≤0.5C
50℃: can not charging Temperature


Maximum Continuous Discharge current

-20℃ : can not discharging Temperature
-20~10℃:≤1C
10~35℃:≤2C
35~45℃:≤iC
45~55℃:≤0.5C
55℃: can not discharging Temperature

 

 

Reference Models

 

 

Model

Material Formula

Simple Parameters

JT-NCM-18650

NCM

3.6V 2.6Ah, 2.9Ah, 3.2Ah 3C

JT-NCM-21700

NCM

3.6V 4.0Ah 4.5Ah, 5.0Ah 3C-5C

JT-LFP-26700

LiFePO4

3.2V 5.0Ah 3C

JT-LFP-32700

LiFePO4

3.2V 6.0Ah 3C

If you need any others cylinder battery cell model, please contact us freely.

 

 

Applications

 

Real-World Use Cases

• Electric Vehicles: A leading e-scooter brand achieved a 20% range increase using our 21700 cells.

• Medical Devices: Trusted in portable oxygen concentrators for stable, long-lasting power.

• Power Tools: Delivers 5C pulse current (25A) for high-torque drills and robotic arms.

• Renewable Energy Storage: Integrates seamlessly with solar systems for off-grid solutions.

 

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