Full-Tab Battery Cell 3.6V 4000mAh 21700-RS40

3.6V 4000mAh 21700RS40

The 21700RS full-tap cell comes up with a typical capacity of 4000mAh, the nominal voltage of 3.6V. This is an absolutely excellent cell for anyone seeking high performance prismatic cells.

HIGHLIGHTS OF 21700RS40

Typical Energy: 18Wh
Nominal Voltage: 3.6V
Typical Capacity: 4000mAh
Standard Charge Current: 2A
Standard Discharge Current: 0.8A
Max. Continuous Charge Current: 14A
Max. Continuous Discharge Current: 70A
Charging Voltage: 4.2V
Cycle life: Capacity Retention≥88% @ after 600 cycles

FEATURES OF 21700RS40

1.High Energy Density
2.Excellent Low & High Temperature Perfomance (-30°C ~ 45°C)
3.Highly Safe & Stable
4.Long Cycle Life
5.Great Long Term Storage Characteristics

APPEARANCE

Shape: Cylindrical
Can : Steel
Diameter: 21.35mm max.
Height: 70.45mm max.
Weight: 72g max.

GET A QUOTE

Download Datasheet

How to Custom Lithium ion Battery Pack

We have the unique ability to develop custom 21700 battery pack to fit your needs. Our expert team of chemists, engineers, and manufacturers who use proven chemistry and production methods that will get from spec to production fast. Slim, flexible, more powerful.

WHAT WE CUSTOM

Custom Voltage Range: 3V ~ 120V
Custom Discharge Current: 0.2C ~ 120C (0.01A-1000A)
Custom BMS: Size, Features, Communication, Cut-off, Temperature
Custom Battery Size: Starting 0.5mm Thickness
Battery Temperature from -40°C–85°C
Custom Connector: JST/Molex/Hirose/Anderson/TE/Amphenol Etc

WHY CHOOSE US

Custom Lithium ion Battery Packs
Custom Samples as fast as 3 Days
Strict Quality Control, No Safety Concerns Ever
Instant Customer Support, Solve Any Problem in Time.

Requirements

Let us know your size limitations and anticipated capacity or Hours needed for your project.

Design

We will send datasheet to you or New design according to your requirement.

Prototype

We will start making samples for you if all things are set.

Wait for Samples

It takes 3-10 days to make custom samples, Just have a little patience.

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