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GRP1654 Series Rechargeable Lithium-Ion Button Cell Battery

GRP1654 Series Rechargeable Lithium-Ion Button Cell Battery
GRP1654 Series Rechargeable Lithium-Ion Button Cell Battery-LIR1654M1
GRP1654 Series Rechargeable Lithium-Ion Button Cell Battery-LIR1654R1

GRP1654 Series Rechargeable Lithium-Ion Button Cell Battery

The GRP1654 series steel-shell button cells are rechargeable Li-ion batteries independently developed by Grepow. Featuring low internal resistance, stable voltage, long cycle life, and multiple patented core technologies, the series includes three models, each with distinct characteristics—such as high discharge rate, high energy density, or extended cycle life—to meet diverse application requirements.
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Product Details

Model No.

Nominal Voltage 

Full Charged Voltage

C Rate

Nominal Capacity

Weight

Diameter

Thickness

Chemistry

GRP1654R1

3.7V

4.2V

1C

135mAh

3.02±0.15g

16mm

5.4mm

 LiCoO2

GRP1654RT

3.7V

4.2V

10C

118mAh

2.85±0.2g

16mm

5.4mm

 LiCoO2

GRP1654M1

3.7V

4.2V

2C

150mAh

2.95±0.2g

16mm5.4mm

NMC

* Charging Temperature: 0 to +45℃
* Discharging Temperature: -20 to +60℃

* Storage Temperature: -20 to +40℃


Rechargeable Button Cell Features

Self-developed Innovation Patents

42 patents

High Energy Density

Specific energy density up to 556Wh/L

Excellent Fast Charging Capability

Support 5C fast charging, 12 min charge to 80%+

Long Cycle Life

 Up to 1000+ cycles

Support Customization

Diameter (≥7.8mm), height (≥0.8mm); and shapes custom available

Wide Temperature Range

Can be used at -50 ℃~50 ℃ or -20 ℃~80 ℃

Support High Current Discharge

10C discharge rate

Battery Certifications (Varies by model)

UL1642, IEC62133, FDA, ISO13485, UN38.3, etc.


Resource Download

Grepow Button Cell Battery Catalog


GRP1654 Series Button Cell Charge/Discharge/Cycle Curve

3.7V rechargeable button cell charge Curve

3.85V rechargeable button cell Charge Curve


3.7V rechargeable button cell Discharge curves


3.85V rechargeable button cell Discharge Curve


3.7V rechargeable button cell Cycle Curve


3.85V rechargeable button cell Cycle Curve


GRP1654 Series Button Cell Application

Grepow button batteries are widely used in wearable devices, smart toys, medical instruments, IoT systems, smart home products, automotive electronics, and AI devices.

We also offer fully customizable rechargeable coin cell batteries tailored to customer requirements, including diameter, thickness, shape, capacity, and voltage.

By maximizing the internal space of devices, Grepow’s coin cells deliver greater capacity and longer runtime. Our R&D team collaborates closely with customers to develop optimal and customized power solutions for their products.


Why Choose Grepow Rechargeable Button Cell

lithium ion button battery adopts the laminated (stacking) production process

Grepow Lithium-ion coin cell battery adopts the stacking production process, compared with the traditional winding process coin cell battery, the laminated process coin cell battery products have the advantages of low internal resistance, good multiplier performance, high discharge platform voltage, long battery cycle life, etc., while the thickness and shape of the battery are more adaptable, and the application scenario is more extensive!

Grepow stacking lithium-ion button cell has been recognized by the national invention patent

We have 42 patents for self-research and innovation, which are protected by patent law for customers

Strict quality control

Providing local instant customer support in China, USA and Germany

You can get the following services

 Flexible support for customized solutions (including assembly solutions )

 Reliable and stable performance

 Samples and mass production available

 OEM, ODM services available

*The above information may be updated. Please contact our sales representative for the latest productspecifications.

General Process
Inquiry
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Evaluation
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Specification & Verification
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Quotation
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Sample Production
05
Price Verification
06
Production Schedule
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Shipment
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