Can you provide lithium battery technical support?

Yes, I can provide you with technical support such as battery specifications according to your needs.

Where the batteries can be used?

We can provide camera batteries, Bluetooth speaker batteries, remote control batteries, heated clothing batteries, air purifier batteries, RC car batteries, lighting batteries, electric screwdriver batteries, etc.

Can lithium batteries be discharged completely?

While lithium batteries can be discharged fully, it is generally recommended to avoid deep discharges as it can reduce their overall lifespan. Most devices have built-in protection circuits that prevent over-discharging.

Can lithium batteries be overcharged?

Overcharging lithium batteries can lead to overheating and potential safety hazards. It is important to use chargers specifically designed for lithium batteries and avoid leaving them connected to the charger for extended periods after reaching full charge.

Rechargeable Li-Polymer Cell Ufx401215 3.7V 40mAh for Bluetooth Earbuds Tws

Name: Rechargeable Li-Polymer Cell Ufx401215 3.7V 40mAh for Bluetooth Earbuds Tws
Brand: Guangdong Ufine New Energy Co., Ltd
SKU: 2293761745

Guangdong, ChinaGuangdong Ufine New Energy Co., Ltd

US$0.90

5-4,999 Pieces

US$0.83

5,000-9,999 Pieces

US$0.76

10,000+ Pieces

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Type

Li-ion Battery

Cathode Material

NCM

Model NO.

UFX 401215

Rechargeable

Yes

Size

Small

Cycle Life

500 Cycles

Weight

Typically 1g

Capacity

40mAh

Nominal Voltage

3.7V

Charging Voltage

4.2V

Charging Temperature

0~45°C

Discharging Temperature

-20~60°C

Certification

MSDS

Battery Type

Li-Polymer Cell

Cathode

Ncm

Transport Package

410*255*230mm

Specification

4x12x17mm

Trademark

N/A

Origin

China

HS Code

8507600090

Production Capacity

500000000

Key features

The standard 3.7V prismatic pouch lithium-ion battery features a structural design that minimizes swelling and maintains stability during daily charge-discharge cycles.

Engineered with automated coating, optimized electrodes, and strict consistency control, each pouch battery delivers uniform energy output and long cycle life.

Built with strict IR, capacity, and dimensional consistency control to ensure uniform performance across every batch and each individual cell.

Supports stable charging and discharging performance with low self-discharge characteristics, ensuring consistent energy output over time.

Suitable for a wide range of applications including consumer electronics, IoT devices, medical equipment, industrial devices, and smart portable systems.

Performs reliably across a wide operating temperature range, making it suitable for various environments and demanding usage conditions.

Designed for 500+ cycles, reducing replacement frequency and long-term operating costs while supporting environmentally friendly energy solutions.

OEM/ODM customization available, including capacity, size, connectors, and protection circuit design, with factory-direct supply for scalable project requirements.

Company profile

Management CertificationProduct CertificationR&D CapabilitiesQuality Assurance

Guangdong Ufine New Energy Co., Ltd

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤1.60h

About Our Factory & Business Background

AddressBuilding 41, Sunac Zhimei Industrial Valley, Siqian Town, Xinhui District, Jiangmen, Guangdong, China

Plant Area11786 square meters

Number of Employees238

Registered Capital30,000,000 RMB

Terms of PaymentT/T, PayPal, D/P, Western Union

International Commercial Terms(Incoterms)EXW, CFR, CIF, FOB

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity1

Supply Chain Partners27

Our Production Capability & Technical Expertise

Main ProductsLithium Polymer Battery, Lithium Battery Pack, Low Temperature Battery

Production Lines10

Production MachinesCapacity Cabinet, Coating Machine, Forming Cabinet, Fully Automatic Liquid Injection Machine, Fully Automatic Winding Machine, High Vacuum Oven, Roller Machine, Sheet Processing Machine, Top-side Sealed All-in-one Machine, XRAY Machine, Automatic Sorting Machine, CCD Testing Machine, Thickness Tester, Density Testing Instrument, Diaphragm Permeability Tester, Digital Comprehensive Tester, Draught Drying Cabinet, RoHS Tester, Temperature and Humidity Chamber

QA/QC inspectors12 people

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instructions and uniformly followed

R&D Engineers19 people

Traceability of Raw MaterialsYes

Our Industry Experience & Global Business Record

Year of Establishment2019-12-12

Main MarketsNorth America, Europe, East Asia(Japan/ South Korea), Domestic

Repeat Buyers Choice50%~80%

Number of Foreign Trading Staff9

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Management System CertificationISO9001:2015, ISO45001:2018, ISO14001

Product CertificationCE, CCC, UL, RoHS, FCC, Others

Cooperated with Fortune 500No

Product Q&A

Q:Can I get samples of lithium batteries before placing a bulk order?

Yes, many suppliers offer samples of lithium batteries for testing and evaluation purposes. However, there are costs associated with obtaining samples, including sample fees and freight charges.

Q:What is the delivery time after placing an order with Ufine Battery?

Normally, it takes 10 to 12 days for air transportation, and more than 45 days for sea transportation.

Q:How long does it take to make a sample of a custom battery?

It takes 1~3 days to make regular samples, and 7~10 days to make handmade samples. The time required increases with the number of samples.

Q:Are lithium polymer batteries a fire hazard?

Lithium polymer batteries have the potential to catch fire or swell if mishandled, damaged, overcharged, or exposed to extreme conditions. Proper care, handling, and charging significantly reduce the risk of hazards.

Q:How do you keep a lithium polymer battery healthy?

To maintain the health of a lithium polymer battery, avoid overcharging or deep discharging, store it at moderate temperatures, use compatible chargers designed for the battery, and periodically exercise the battery by charging and discharging it.