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21700 Cylindrical Cells

Great A 21700M50LT Cylindrical Cells 3.69V 18.2Wh 3C Cylindrical Lithium Ion UN38.3 Certified Cell

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Great A 21700M50LT Cylindrical Cells 3.69V 18.2Wh 3C Cylindrical Lithium Ion UN38.3 Certified Cell

Brand Name:	EMB
Model Number:	INR21700M50LT
MOQ:	130
Price:	$1.8
Packaging Details:	130pcs/Carton box
Payment Terms:	T/T

Detail Information

Product Description

Ratings & Reviews

Detail Information

Place of Origin:

China

Certification:

UN38.3/CE/UL/IEC62133/KC/BIS

Document:

Cell Type:

Lithium-ion

Impedance:

15 ±6mΩ

Charging Method:

CC-CV

Supply Ability:

500K/Month

Product Description

Great A 21700M50LT Cylindrical Cells 3.69V 18.2Wh 3C Cylindrical Lithium Ion UN38.3 Certified Cell

The INR21700M50LT is a premium rechargeable lithium-ion cell engineered to deliver high energy capacity and consistent power performance. Featuring an 18.2Wh energy capacity and a maximum continuous discharge rate of 3C, it provides reliable energy output, making it suitable for a wide range of medium- and high-power applications.

Cell Characteristics

Specification	Value
Capacity	Typical 18.2Wh
Cell Voltage	Nominal 3.69V Charge 4.2V Discharge 2.5V
Continuous Charge Current	Standard 0.3C Maximum 0.3C
Continuous Discharge Current	Standard 0.2C Maximum 3C
Ambient Temperature	Charge 0 to 45℃ Discharge -20 to 55℃
Impedance	15 ±6mΩ
Weight	67.5±1.0g
Dimension	70.65mm(Max)*21.44mm(Max)
Cycle life	1000cycle(80%)

Key Features

High Capacity: Delivers 18.2Wh of energy to support longer operating times and reduce charging frequency
High Discharge Rate: Supports a maximum continuous discharge rate of 3C, making it suitable for applications with moderate to high power demands
Lithium-Ion Chemistry: Offers efficient energy conversion, dependable performance, and consistent power delivery
Rechargeable & Long-Lasting: Designed for repeated charging and discharging cycles, providing dependable long-term use
Output Stability: Maintains stable power delivery throughout discharge, helping ensure reliable equipment operation
Compact 21700 Size: Features a compact cylindrical design that integrates easily into compatible battery packs and various electronic applications

Applications

Flashlights: Ideal for high-lumen LED torches requiring consistent power
Medical Devices: Reliable power source for essential equipment
Power Banks & Backup Systems: Supports portable energy solutions
Lightweight Power Equipment: Auxiliary power for robotic vacuums, electric bicycles, scooters, and fishing boats
Power Tools: High burst power for drills, angle grinders, electric saws, and other high-current tools

Warning

Lithium-ion batteries require proper handling and knowledge to ensure safe operation
Failure to follow safety guidelines may result in fire, explosion, serious injury, or property damage
Only purchase and use if you fully understand lithium-ion battery safety
Never leave a battery unattended while charging
Keep away from animals and children
Prevent contact with metal objects (keys, coins, tools) to avoid short circuits
Inspect wraps and insulators regularly for damage - repair or dispose of damaged batteries immediately
Resellers must pass these warnings to customers
Typical cycle life of 1000 cycles before noticeable capacity reduction - recycle at end of life
Do not crush, incinerate, or modify batteries
Only use within manufacturer specifications

Ratings & Review

Overall Rating

5.0

Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings

5 stars

100%

4 stars

3 stars

2 stars

1 stars

All Reviews

J*y

Italy Nov 5.2026

trustpilot.com

Helpful (2235)

The cells offer reliable performance and meet my project requirements. I would definitely consider ordering again.

Adel

Poland Mar 1.2026

trustpilot.com

Helpful (4205)

Ta bateria ma 5000 mAh, dobry prąd rozładowania 25 A i 3,6 V. Lubię tę baterię

Mavis

Germany Jan 13.2026

trustpilot.com

Helpful (5987)

Diese Batterie hat eine Kapazität von 18,2 Wh, 1000 Zyklen, ich kann die Batterie selbst DIY anpassen.

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products details

18650 Cylindrical Cells

21700 Cylindrical Cells

Full Tab Cylindrical Cells

LiFePO4 Prismatic Cells

12.8V LiFepo4 Battery

25.6V LiFepo4 Battery

Home Energy Storage Batteries

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Great A 21700M50LT Cylindrical Cells 3.69V 18.2Wh 3C Cylindrical Lithium Ion UN38.3 Certified Cell

Overall Rating

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