21700 Battery Cells

A 21700 battery refers to a specific type of lithium-ion rechargeable battery cell. The designation “21700” indicates its dimensions, with a diameter of 21mm and a height of 70mm. These 21700 battery cells are widely used in various applications. These include electric vehicles, portable electronics, and renewable energy systems. Compared with 18650, 21700 batteries have a larger size, higher capacity, and better power output. They are suitable for high-performance applications, providing increased energy density.

Legend Battery is a leading 21700 battery supplier. We provide high-performance and high energy-density battery solutions. Our 21700 cells are mainly from Samsung, LG, Panasonic, Murata, and Molicel. When designing 21700 battery packs, our engineering team mainly chose these brands. More than 1 million PCS 21700 cells are assembled monthly in our manufacturing center. So, if you are looking for the 21700 battery bulk, please Send us an email.

Get A Quote

Amass XT connector

Barley Paper

Barley paper sticking and sorting machine

INR-21700-P42A Li-ion battery cell

INR-21700-P45B Li-ion battery cell

INR-21700-P50B Li-ion battery cell

INR21700-40T Li-ion battery cell

INR21700-48X Li-ion battery cell

INR21700-50E Li-ion battery cell

INR21700-50G Li-ion battery cell

INR21700-50S Li-ion battery cell

INR21700-53G Li-ion battery cell

Samsung 21700 Battery Cell

Samsung INR21700-50S Battery Cell

Samsung INR21700-40T Battery Cell

Samsung INR21700-50G Battery Cell

Samsung INR21700-48X Battery Cell

Samsung INR21700-50E Battery Cell

Samsung INR21700-53G Battery Cell

Samsung INR21700-50GB Battery Cell

Samsung INR21700-45T Battery Cell

Samsung INR21700-58E Battery Cell

Molicel 21700 Battery Cell

Molicel INR-21700-P42A Battery Cell

Molicel INR-21700-P45B Battery Cell

Molicel INR-21700-P50B Battery Cell

LG 21700 Battery Cell

LG INR21700-M50LT Battery Cell

LG INR21700-M58T Battery Cell

LG INR21700-M50T Battery Cell

LG INR21700-M48 Battery Cell

LG INR21700-M58T Battery Cell

LG INR21700-M52VT Battery Cell

21700 li ion battery characteristics

High Capacity

Due to their larger size, 21700 batteries typically have higher capacities. This contributes to longer usage times in devices.

High Energy Density

These batteries offer high energy density. The 21700 battery cells provide substantial energy storage in a relatively compact size.

Long Cycle Life

They are designed for a long cycle life. The 21700 batteries can withstand numerous charging and discharging cycles without significant degradation.

Multiple Charge and Discharge

The 21700 lithium ion battery is rechargeable. They can be charged and discharged multiple times, providing long-term, reliable energy support.

Versatility

The 21700 batteries are versatile. You can see them in electric vehicles, power tools, drones, energy storage systems, and more.

Compatibility

The 21700 batteries are becoming more widely adopted. Many devices are designed to accommodate this specific battery size.

Get A Quote

21700 Battery Cells applications

UAV and FPV Drones Battery Pack

The 21700 battery is lightweight and high-energy, providing reliable battery life. It can meet the high-power needs of UAV and FPV drones.

Best options for you:

Molicel INR-21700-P42A battery cell
Molicel INR-21700-P45B battery cell
Molicel INR-21700-P50B battery cell
Samsung INR21700-40T battery cell
Samsung INR21700-50S battery cell

Efoil Electric Surfboard Battery Pack

The 21700 cells are lightweight. They have a waterproof design and a powerful, high-power output. The best 21700 battery provides reliable power for electric surfboards.

Best options for you:

Molicel INR-21700-P42A battery cell
Molicel INR-21700-P45B battery cell
Molicel INR-21700-P50B battery cell
Samsung INR21700-40T battery cell
Samsung INR21700-50S battery cell

Electric Motorcycle Battery Pack

The 21700 rechargeable battery has high capacity, high-temperature resistance, and supports fast charging. This provides high-performance power for electric motorcycles.

Best options for you:

Samsung INR21700-50G battery cell
Samsung INR21700-53G battery cell
Samsung INR21700-50E battery cell
LG INR21700-M50LT battery cell
LG INR21700-M58T battery cell

Get A Quote

21700 battery vS 18650 battery

The competition between 21700 and 18650 batteries has become a focal point. They share the same fundamental principle but differ in size, capacity, and applications.

21700 Battery

Size: Larger with a diameter of 21mm and a height of 70mm.
Capacity: 4000mAh- 6000mAh. It has a higher capacity due to its larger size, providing more energy storage.
Energy Density: Higher energy density. This means more energy can be stored in the same physical size.
Discharge Current: Up to 45A. Higher discharge currents. They are ideal for power-hungry applications like electric vehicles.
Applications: They are commonly used in high-performance applications. Found in electric vehicles, power tools, and energy storage systems.

18650 Battery

Size: Smaller with a diameter of 18mm and a height of 65mm.
Capacity: 2000mAh- 4000mAh. They have a smaller capacity compared to 21700 batteries.
Energy Density: The 18650 battery has a lower energy density than the 21700 battery.
Discharge Current: Up to 35A. The 18650 batteries offer a moderate discharge, commonly found in standard electronics.
Applications: Widespread use in consumer electronics. Common in laptops, flashlights, and various portable electronic devices.

Why Choose Us

100% Genuine Brand Cells And Best Price

We offer the 100% genuine 21700 battery wholesale at the most competitive prices in the market. These brands include Molicel, Samsung, LG, Panasonic, and Murata/Sony. Our commitment is to provide customers with high-quality batteries while ensuring reasonable prices.

Get a Free Quote

Original Pallet and Carton Packaging

Legend Battery is committed to providing original pallet and carton packaging. This ensures optimal protection of the 21700 battery bulk during transportation and storage. We pay attention to every detail to ensure every battery you receive is in top condition.

Get a Free Quote

Fast and Flexible delivery

Our factory has over 100K PCS in stock to arrange delivery within 5 working days. We work with reliable logistics partners to ensure that the 21700 batteries get to you safely and quickly. They have been shipping lithium-ion batteries by air and sea since 2013. They only ship Li-ion batteries.

Delivery terms can be EXW, FOB, CIF, DDP, DDU

Get a Free Quote

FAQ About 21700 Battery Cells

Which Brand 21700 Li-ion battery cells you supply?

We supply the following Brand 21700 Li-ion battery cells:

1. Molicel 21700 Li-ion battery cells: Molicel INR-21700-P42A, Molicel INR-21700-P45B, Molicel INR-21700-P50B

2. Samsung 21700 Li-ion battery cells: Samsung INR21700-40T, Samsung INR21700-50S, Samsung INR21700-50E, Samsung INR21700-50GB,
Samsung INR21700-48G, Samsung INR21700-50G, Samsung INR21700-53G, Samsung INR21700-48X, Samsung INR21700-30T

3. LG 21700 Li-ion battery cell: LG INR21700-M48, LG INR21700-M50, LG INR21700-M50U, LG INR21700-M50T, LG INR21700-M50LT, LG INR21700-M58T

4. Murata/Sony 21700 Li-ion battery cell: US21700VTC6A

The Brand 21700 battery cells you supply are Original?

Yes, we only sell Genuine Brand 21700 battery cells, because we purchase these Brand 21700 Li-ion battery cells from manufacturer directly and also use them to assemble our own battery packs, so we can 100% Guarantee they are Genuine Brand battery cells with Original pallet and carton packaging.

What's the MOQ?

MOQ for trial samples order is 1 full carton, MOQ for mass production order: 1 full pallet, more details can be negotiated.

What about your payment terms?

T/T 30% deposit after order confirmed, the 70% balance payment before shipment.

What about your delivery time?

Generally speaking, we will arrage the shipment within 5 working days after receiving your payment.

If you can offer related certificates and shipping documents? such as MSDS UN38.3?

Yes, we can offer MSDS UN38.3, UL, CB, IEC62133, PSE etc.

What about your delivery terms?

The delivery terms we can offer: EXW, FOB, CIF, DDU, DDP.

How to ship these brand 21700 Li-ion battery cells?

You can ask your own forwarder to ship these Brand 21700 Li-ion battery cells by air or by sea. We also can help you to ship these battery cells by air or by sea, we have our own very professional forwarders who only ship lithium ion batteries to all over the world, no other goods.

Lithium Ion Battery Blogs and news

what's the best battery for cold weather