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Tiny Lipo Battery

Small Li-polymer battery 401012 Lithium Polymer Battery with PCB for True Stereo Wireless Headset Earbuds
Model NO.:LP401012
Voltage:3.7 V
Battery Size:401012
Brand:SER or OBM
Working temperature:-20~60℃
Applications:Lip Massage Pen, smart Headset Earbuds,TWS,Toys, Home Appliances, Consumer Electronics, Eye Care Massager

lipo banner.jpg

Product Description:

Li-polymer 401012

High Voltage

● Norminal voltage up to 3.8V

High Energy Density


Lipo battery.jpg

● Energy density up to 550 Wh/kg

Stable Operating Voltage

● More than 90% of the capacity could be output at a stable voltage

Wide Operating Temperature Range

● -20°C to +60°C

Long cycle Life

● More than 500 times



Battery model: LP401012

Nominal voltage: 3.7V

Minimum capacity: 40mAh@25ºC

Charging voltage: 4.2V

Discharging cut-off voltage: 3.0V

Standard charging: 0.2C

Max charging: 1.0C

Standard continuous discharging current: 1C

Max discharging current: 2C

Operating temperature:

Charging: 0°C ~ 45°C                   Discharging: -20°C ~60°C

Storage : (At 50% SOC and specified temp)

-10ºC~25ºC (12 months ≥85% )    

-10ºC ~45ºC (6 months ≥85% )

-10ºC~55ºC  (1 month ≥90% )

20±5ºC is the recommended storage temperature

Visual Inspection:

There should not be any remarkable scratches, cracks,bolts, cauterization, deformations, swelling, leakage and so on the surface of the cell.


Applications: Toys, Home Appliances, Consumer Electronics, Eye Care Massager,Lip Massage Pen, smart Headset Earbuds,TWS

Company Advantage

Li-SOCL2 Batteries Catalogue(图6)

ER18505M Power type 3.6V A size Primary Lisocl2 Batteries Flat Top Lithium Thionyl Chloride battery(图2)
ER18505M Power type 3.6V A size Primary Lisocl2 Batteries Flat Top Lithium Thionyl Chloride battery(图3)

With three producing bases, sixteen

advanced manufacturing lines, over

1650 staff, we can produce 20000,00

primary cells and 600,000 rechargeable

battery packs per month.

Founded in 2004, Guangzhou Ser

Battery Technology Co.,Ltd is CE. UL.

SGS, IEC and ISO9001 certificated

High-tech company.

Customers' interests always goes

first,SER has a professional sales

team, shipping team and after

sales team to provide you with

the best solutions and timely service.

ER18505M Power type 3.6V A size Primary Lisocl2 Batteries Flat Top Lithium Thionyl Chloride battery(图4)
ER18505M Power type 3.6V A size Primary Lisocl2 Batteries Flat Top Lithium Thionyl Chloride battery(图5)

ER18505M Power type 3.6V A size Primary Lisocl2 Batteries Flat Top Lithium Thionyl Chloride battery(图6)

Efficient and innovative R & D team

helps the company lead in product

design and superior performance

While keeping core competitivenes,

SER also takes into account relevant

social, economic and environmental

goals, and always maintains sustained

profitability and development capabilities.

For many years, the professional
SER team has focused on the lithium
battery industry, and has taken every
product as a work of art with firmness,
steadiness and excellence.

Product Advantage

 1. Full range of battery categories

 17 years of development, SER have
 the ability to offer many product
 categories:Lisocl2 Battery, LiMNO2
 battery, LiPO battery and LiFePO4

2. Safety

 The perfect protection IC has been used,
 undervoltage, short-circuit, overload,
 backflow,and we have carried out strict
 inspections and external tests, make sure
 no quality problems in the hands of

3. Excellent and stable performance

 Strict control for cleanliness in dust-free
 workshop from IQC,IPQC to OQC, we
 control every step strictly CE, UL, SGS,
 FCC,ROHS and ISO9001: 2000 certified.

 4. OEM & ODM Ability

 Professional engineers have rich
 experien ce in OEM& ODM. The
 independent labs have  many
 sophisticated machines and design
 softwares always guarantee our OEM
 &ODM projects always keep in
 high level.

 5. Technology

 Our dedicated and experienced engineers

 team always work together to our customers
 from their product design to battery solution
 and mass production,Reduce their time cost
 and communication cost.  

6. Delievry

 Fast delivery with standard package,will
 bring you a professional experience with
 long-term cooperative freight company
 and stable routes.

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We have a number of lithium battery PACK production lines, aging, capacity division and other production equipment and a large number of experienced industrial workers.



 Building 8, International Innovation Intelligent Manufacturing Park, Zhongcun Street, Guangzhou City, Guangdong Province
 020-86-39293119
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