13350 3.7V 500mAh Cylindrical Lithium Polymer Battery

Item No.: TWE0381
Model: 13350
Nominal Voltage: 3.7V
Nominal Capacity: 500mAh
Max Dimensions: 13*35mm
Certificate: CE, RoHS, UN38.3, IEC62133, MSDS, etc.
Warranty: 1 year
Description Brand Introduction Review
Product Specifications
Item Specifications Remark
Model No. 13350 Lithium Polymer Battery
Nominal Voltage 3.7V
Nominal Capacity 500mAh Standard discharge after standard charge
Dimensions 13*35mm max Diameter*Height
Cycle Life ≥800 times ≥ 80% of the initial capacity
Charge Method CC/CV with professional charger
Charge Cut-off Voltage 4.2V
Discharge Cut-off Voltage 3.0V
Standard Charge Current 0.25A
Standard Discharge Current 0.25A
Max Continuous Charge Current 0.5A
Max Continuous Discharge Current 3A
Max Peak Discharge Current 5A
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 ≤80mΩ
Weight Approx. 9g
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
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
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
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...
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!


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