UN38.3 Approved 955565 3.7V 5000mAh Polymer Li-ion Battery with PCM

Item No.: TWE0341
Model: 955565
Nominal Voltage: 3.7V
Nominal Capacity: 5000mAh
Max Dimensions: 9.5*55*66.5mm
Warranty: 1 year
Certificate: CE, RoHS, UN38.3, MSDS, etc.
Description Brand Introduction Review
Description

Product Description

Targeted Functional Use in Specialized Electronic Systems

Designed by established lithium ion battery manufacturers, this 3.7v lithium ion battery targets professional applications requiring dependable power sources. The product suits industries engaged in IoT devices, medical equipment, and Bluetooth-enabled devices, where a high capacity battery is essential for maintaining operational continuity. As a prismatic lithium battery with safety certifications, it provides a secure energy solution for engineering deployments demanding consistent voltage and extended runtime, meeting strict industry standards and regulatory compliance.

Precise Technical Specifications and Performance Metrics

This prismatic lithium battery showcases a nominal voltage of 3.7v lithium ion battery composition combined with a 5000mAh capacity, delivering a high capacity battery performance optimized for efficiency. Key features include low internal resistance at ≤120mΩ, charge cut-off voltage of 4.2V, and robust cycle life surpassing 800 full cycles while retaining at least 80% capacity. The integration of a Protection Circuit Module enhances safety by preventing overcharge, over-discharge, and short circuits. This product exemplifies the quality standards maintained by leading lithium ion battery manufacturers with certifications such as UN38.3, CE, RoHS, and MSDS.

Application Scope and Industrial Integration Benefits

This high capacity battery solution supports applications in smart locks, GPS trackers, wearable technology, and handheld controllers, where long-lasting power and safety are mandatory. Functioning within environmental temperature ranges critical to operational stability, the 3.7v lithium ion battery provides reliable energy in smart home systems, medical devices, and sensor networks. With its form factor optimized as a prismatic lithium battery, the unit integrates seamlessly into existing architectures, enabling system designers and procurement engineers to enhance product durability and comply with safety regulations.


Product Specifications
Item Specifications Remark
Model No. LP955565-5000-1S1P
Nominal Voltage 3.7V
Nominal Capacity 5000mAh @0.2C discharge
Dimensions 9.5*55*66.5mm max Thickness*Width*Length
Cycle Life ≥800 times ≥ 80% of the initial capacity
Charge Method CC/CV lithium battery dedicated charger
Charge Cut-off Voltage 4.2V
Discharge Cut-off Voltage 3.0V
Standard Charge Current 0.2C
Standard Discharge Current 0.2C
Max Continuous Charge Current 0.5C
Continuous Discharge Current 0.5C
Peak Discharge Current 1C
Recommended Operation Ambient Temperature Charge: 0~45℃ Discharge:-20~60℃
Storage Temperature -20℃~25℃ 12 months
-20℃~45℃ 3 months
-20℃~60 ℃ 1 month
Internal Resistance ≤120mΩ
Weight Approx. 90g
Product Advantages
-High safety
-Real capacity
-Flexible size, lightweight, customizable
-Cycle life above 800 times
-Factory direct price, high quality with certifications
-Above 20 years manufacturing experience
Applications
Bluetooth speaker, bluetooth headset, smart home controller, smart secuirty device, intelligent door lock, smart glass, gps tracker, parking device, medical device, POS machine, wearable device, IoT device, sensor, handheld device, alarm system, beauty device, etc.
Bluetooth Speaker
Bluetooth Headset
GPS Tracker
Smart Lock
IoT Device
Wearable Bracelet
Certificates
Safety certificate: CE,CB, IEC62133, UL, PSE
Environmental certificate: ROHS, REACH
Quality management certificate: ISO9001, ISO14001, BSCI
Shipping certificate: UN38.3, MSDS, Air/Sea Transport Identification&Classification Report
CE certificate
RoHS certificate
IEC62133 certificate
UN38.3 certificate
ISO9001 certificate
Production Process
01 Materials Mixing
Fully automatic feeding system,High precision, fully enclosed
02 Coating
High precision constant temperature coating machine
03 Electrode Piece Rolling
Precision automatic roller machine
04 Electrode Piece Slitting
Automatic battery electrode piece continuous slitting machine
08 High Temperature Baking
75-80 ℃ vacuum constant temp baking for more than 36 hours
07 Cell Sealing
High temp top&side sealing machine with good side sealing effect
06 Automatic Winding
Make the widing core consistent, save manpower and high efficiency
05 Automatic Electrode Piece Making
Ultrasonic spot welding, firm welding and low internal resistance
09 Automatic Injection
Effectively isolate moisture
10 Formation
Constant fomration cabinet, activate the battery
11 Capacity Sorting
All cells will be 100% tested for 3 cycles.
12 OQC Test
100% full test on appreance, voltage, capacity, resistance, size, etc
Packing&Delivery
With 20 years experience in battery field, Topwell can arrange the battery ship by Sea / Air / Express.
We can provide you with all DG certification which allows you to ship these batteries,
such as UN38.3 /MSDS /DG. We can ship from Shenzhen,Shanghai,HK...
Packing
Delivery
Exhibitions


FAQ

What certifications does your 3.7v lithium ion battery have?
Our 3.7v lithium ion battery is fully certified to comply with international standards including CE, RoHS, UN38.3, MSDS, IEC62133, and others. These certifications confirm our commitment to safety, environmental protection, and quality assurance across all production stages.

Can you customize the size or capacity of this lithium ion battery?
We offer flexible sizing and customization options for this battery model to meet specific project requirements. For detailed customization, please contact us directly so we can provide tailored solutions that suit your application needs as a trusted lithium ion battery supplier.

How should I store and maintain this lithium ion battery for optimal performance?
To maintain optimal battery health, store it within recommended temperature ranges: up to 12 months between -20°C and 25°C. Avoid exposure to extreme heat or moisture. Our batteries come with a built-in PCM for safety, but proper storage and handling extend overall lifespan and reliability.

What shipping and safety standards do you follow for transporting lithium ion batteries?
We strictly comply with UN38.3 regulations for the safe transportation of lithium-ion batteries. Our products meet all required certifications ensuring secure logistics. As a professional lithium ion battery manufacturer, we prioritize safety and compliance to protect your shipments worldwide.
Brand Introduction

Yichun Topwell Power Co., Ltd (Trademark:TWE) established in 2002, is a high-tech enterprise focusing on the R&D, production and sales of lithium polymer batteries, lithium ion batteries, lithium iron phosphate batteries, and lithium thionyl chloride batteries. Products are widely used in consumer electronics, Internet of Things, smart home, medical, vehicle, home and outdoor energy storage, and have obtained CE, RoHS, Reach, UN38.3, IEC62133, CB, UL, MSDS certifications, etc.

 

Topwell moves on by providing reliable, efficient and intelligent battery solutions to meet different energy needs. We have efficient engineering, production and quality management teams. From raw material procurement, to production, testing, sales and after-sales service, all steps have been controlled by a strict quality management system. Our factory has passed ISO9001, IS014001, BSCI certification, SGS, Intertek audit. With the advantages in price, quality and service, we have established long-term and stable cooperative relationships with many well-known brands. Topwell always attached the great importance to the long term cooperation with customers. No matter the order is big or small, we do our best to support you the highest quality with favorable price. We believe that Topwell Power can be your best battery supplier!

Review
Veer
Jan 10, 2024
We use the UN383-approved 3.7V 5000mAh polymer Li-ion battery with PCM in our smart sensors, and it’s been a great fit. The 5000mAh capacity provides excellent runtime, and the built-in PCM adds safety and stability. It’s compact, reliable, and meets all safety standards, making it perfect for continuous sensor operation. Highly recommend for any smart device requiring dependable power.
Review

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