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Email: info@szaspower.com

Tel:+86-0755-2816 9348

Addr: Rm1312, A Block, Weidonglong Business Building, No.194 Meilong Rd, Longhua, Shenzhen,Guangdong, 518109,CHINA

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A&S Power UL2054/CB/CQC/UN38.3 certified 553640 3.7v 850mah Lithium Polymer Battery

A&S Power UL2054/CB/CQC/UN38.3 certified 553640 3.7v 850mah Lithium Polymer Battery

  • Art No :AS553640
  • Material:lithium cobalt oxides
  • Size :5.7*36.5*42.5mm
  • Weight:17.0g
  • Description :

    1.Voltage: 3.7v

    2.Capacity: 850mAh

    3.Certification: UL2054 CB, KC,UN38.3

A&S Power UL2054/CB/CQC/UN38.3 certified 553640 3.7v 850mah Lithium Polymer Battery

Product details


A&S Power UL2054,  CB , CQC, UN38.3 certification 553640 3.7v 850mah Lithium Polymer Battery

A&S Power Lithium polymer battery Manufacturer‎

1 Product :Lithium Polymer Battery

2 Model Name:AS553640          

3 Cell/Pack Factory: Shenzhen A&S Power




3.1    Capacity



From 4.2V to 3.0V by discharge  current 0.2C.



3.2    Nominal Voltage



3.3    AC Impedance Resistance



3.4    Discharge Cut-off Voltage



3.5    Charge Current

166 mA

Standard Charge

3.6    Charge voltage



3.7    Max. Charge Voltage



3.8    Charge Time

Approx 6 h

Standard Charge

3.9    Fast Charge current



3.10   Fast Discharge Current



3.11   Weight

Approx 16.0g


3.12   Shipping Voltage



3.13   Voltage decay rate



3.14  Battery energy density


 850*3700     By Typical

 5.5*36*40     Dimension         

3.15  Operating








3.16  Storage 


less than 1 month


Recommended storage

temperature: 25±2,at the

shipment state

less than 3 months


less than 6months


Dimensional Drawing of 553640 1S1P


Pack Dimension


5.7 mm max.


36.5 mm max.


42.5 mm max.


45~50.mm (UL3302 30# AWG)



A&S Power 553640 3.7v 850mah Lithium Polymer Battery Customization


smart door lock

wireless walkie-talkie

Baby monitor

Smart helmet

portable mini air purifier

wireless communicator

cctv camera

portable DVD

IP phone

security camera


Smart audio and video

Desk lamp

Multi-parameter monitor

Bar Code Scanner


Cabinet Light

pulse oximeter

pos machine


There shall be no such defect as scratch, flaw, crack, rust, leakage, which may adversely affect commercial

value of battery.


1 Standard Test Conditions 

Test should be conducted with new batteries within one month after shipment from our factory and the cells shall not be cycled more than five times before the test. Unless otherwise defined, test and measurement shall be done under temperature of 25±2℃ and relative humidity of 45~85%. The test results are not affected evidently by such conditions of temperature 15~30℃ or humidity 25~85%RH.5.2 Measuring Instrument or Apparatus.

2 Measuring Instrument or Apparatus 

2.1 Dimension Measuring Instrument 

The dimension measurement shall be implemented by instruments with equal or more precision scale

of 0.01mm.

A&S Power Battery with Terminations, Pins, Tags
Battery is always available with different types of terminations, i.e. PC pins, tabs, solder tabs, leads, wire, cable and connectors.  We hope you find the one in our product list and suite you the best.  If not, our Customer Service can assist you to find one, or offer custom-made terminations to meet meet your specifications. 

Custom Battery Pack
We manufacture custom battery pack assembly for electronic, industry and OEM business for decades.  We are proud to serve our customers, some of them are world's most prominent companies, with engineering design, prototype, in-house testing, certifications, and mass-production.  Our Customer Service can help for engineering suggestion to meet your specification.

A&S Power Battery Quality Control & Compliance
Check A&S Power Manufacturing site and product compliance.

Safety Handling and Product Design with A&S Power Lithium Battery
Handling Lithium Battery Safely

A&S Power Lithium Polymer Lipol Battery Model List With Certifications:

A&S Power Lithium Polymer Lipol Battery Model List With Certifications

Shenzhen A&S Power Technology Co.,Ltd

    An OEM rechargeable battery manufacturer in China for over 15 years. Specializing in Lithium Polymer BatteryLiFePO4 Battery and Li-ion Battery Pack. Our batteries have got certifications such as UL, IEC62133, CB, CE, ROHS, and some models have also passed KC, BIS certification. 

A&S Power Lithium Battery Manufacturer‎

As a responsible and experienced battery manufacturer for over 15 years, we have been officially recognized by Philips, JVC, Skullcandy, Flex, Mitel, etc. since 2013.

    Our products are widely used in popular electronic products such as Bluetooth Headsets, Portable Speakers, consumer products, emergency lights, GPS, digital players, solar & wind energy storage, electronic auto and E-buses.
    A&S Power actively participates in international exhibitions every year, such as CEBI and HK Electronic Fair. We strictly implement international management standards and have established a complete quality assurance system. We have successfully sold batteries to the international markets of America, Canada, Europe, Africa, the Middle East and South Asia.

    With the tenet of "People-oriented, Quality first and Keeping improving", we continue to improve quality, reduce costs and enhance services. We pay more attention to market changes, client needs, safety & environmental protection, and assume social responsibility. 

    A&S Power is dedicated to creating the life stage for employees and providing lithium batteries that are popular with customers all over the world. 
    With passion and faithfulness, we are committed to establishing a win-win business and striding forward to create a better future for your company.

A&S Power Test Equipment

A&S Power Lithium Battery fair photo

A&S Power Certification


 Q1: Can I have some samples for testing quality?

 A1:  Yes, you can buy some samples of any our products for testing quality and market.

Q2: How should I pay?

A2: You can pay via T/T,L/C at sight,Western Union, Cash etc., 100% T/T in advance for samples. For large quantities, 30% T/T in advance as soon as  order confirmed and the balance before shipping via T/T or L/C etc. If you prefer other payment terms, please contact us freely.

Q3: What is your package looks like? Can I have the customized package?

A3: We have factory's current standard package, customized print logo shall be complied to buyer's requirements, and the extra charges will be borne by the buyers, for more details, please contact us.

Q4: What is delivery time if we place an order?

A4: It depends order quantities. Usually, we can deliver goods within 3 -5 working days for small orders, for more QTY. order, let's confirm when you place official order.

Q5: Are you factory?

A5: yes,we are factory.

Q6. Can you explain in detail how you match cells for a battery pack before you assembling the pack?
A6: We will do the following things before assembling the pack:
   a. Select capacity, same capacities cells for one pack
   b.  Measure the voltage, same voltage cells for one pack(difference is under 0.02v per cell)
   c.  Measure the inner resistance,same IR cells for one pack (difference is under 1m Ohm)
  All above steps are very strict to make sure the pack performance is perfect.

Q7: What&rsquos your advantage compared with other suppliers?
A7: a. High quality batteries: Our batteries are in enough capacity, and lower in RI,
   Before shipment, we will inspect the products and ensure the quality which are well approved by our clients.
    b. Better service: We always offer what our clients need. Reply client&rsquos questions timely. Supply best projects solution for clients. We ship out  the products on time&hellip.

Contact Us

Shenzhen A&S Power Technology Co., Ltd

Tel: +86-0755-28169348


E-mail: info@szaspower.com


Address: Rm1312,A Block,Weidonglong Business Building,No.194 Meilong Rd,Longhua,Shenzhen,Guangdong,518109,CHINA

Our website lists just some of the products we have

successfully supplied,but please note this is just

representative and an example of our products&service,

so,if you cannot see the product you are looking for, please contact us today!!!

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