What certifications do your batteries have?

Our batteries got UL, KC, BIS, IEC62133, CB, CE, and ROHS certifications.

What is the typical charge time?

Approximately 6 hours with a charge current of 1.0CmA.

Compact Li-Poly Battery 303040 Rechargeable 3.7V 320mAh Lithium Polymer Battery for Lots Devices

Name: Compact Li-Poly Battery 303040 Rechargeable 3.7V 320mAh Lithium Polymer Battery for Lots Devices
Brand: Shenzhen A&S Power Technology Co., Ltd.
SKU: 2228254555

Guangdong, ChinaShenzhen A&S Power Technology Co., Ltd.

US$0.95-1.15

500 Pieces

Sample price:US$1.15/piece.Request sample

Product profile

Customization

Available

Type

Li-Polymer Battery

Charger Type

Electric Charger

Model NO.

AS303040

Charger Application

Tablet, Laptop, Video Game Player, MP3/MP4 Player

Nominal Voltage

3.7V

Charger Style

Trickle Charger

Compatible Battery Type

Lipo Battery

Size

Prismatic

Certification

RoHS, CE

Socket Type

For E.U.

Recyclable

Product Name

Rechargeable 3.7V 320mAh Lithium Polymer Battery

Capacity

320mAh

Voltage

3.7V

Note

Other Sizes Are Availbale

Dimension

Can Be Customized

Cycle Life

>500 Times

Warranty

12 Months

Certificate

UL / IEC62133 / RoHS

Samples

Samples for Testing Are Available

Manufacturer

Factory with Over 600 Workers, 100000PCS Per Day

Transport Package

Standard Safe Cartons

Specification

3*30*40mm

Trademark

AS Power / OEM / ODM

Origin

Made in China

HS Code

8507600090

Production Capacity

100000PCS Per Day

Key features

Customizable Dimensions: Product dimensions can be customized to meet specific requirements.

Long Cycle Life: Battery supports over 500 charge cycles for extended durability.

Comprehensive Certifications: Certified with UL, IEC62133, RoHS, and other international safety standards.

OEM and ODM Services: Full customization available including design, samples, and minor modifications.

One-Year Warranty: Free replacement for quality issues not caused by improper use or man-made damage.

Fast Sample Delivery: Stock models shipped within 5 days with 5 free samples available for testing.

High Energy Density: Compact Li-Polymer design offers high capacity in a lightweight form factor.

Safe and Eco-Friendly: Contains no mercury, no fire risk, no explosion, and no leakage.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceProduct Certification

Shenzhen A&S Power Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading Company, Other CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 years CertifiedNearest Port: Shenzhen Port, Hongkong PortAverage Response Time: ≤2.54h

AI-Powered supplier vetting

SummaryThe supplier is identified as a manufacturing-sector trading company in Longhua District, with OEM support for well-known brands, SDK availability, and documented R&D processes. It reports substantial LiFePO4 and lipo battery output, exports to East Asia, Europe, Australia, North America, and domestic markets, and typically fulfills orders within 15 working days during peak season. Customization is offered across several levels, while after-sales handling has documented complaint procedures and corrective-action records. The supplier reports CE, UL, IEC62133, and RoHS certifications, but the provided information does not independently verify them. Innovation evidence is mixed: the supplier has two R&D engineers, two patents, and R&D documentation, but no new products were launched last year. Overseas service infrastructure is limited, with no overseas warehouses, showrooms, agents, or branches. No specific customer names or case studies are provided.

CertificationsThe company description states that its products obtained CE, UL, IEC62133, and RoHS certification. These certifications are explicitly claimed, although no certificate numbers, issuing bodies, or validity details are provided in the slices.

After-Sales capabilityThe supplier has documented procedures and records for complaint handling, service-capability assessment, and corrective/preventive actions, and it offers training as an overseas service. However, it has no overseas warehouses, showrooms, agents, or branches, and the overseas-service country count is stated as zero.

R&D capabilityThe supplier reports SDK availability, two R&D engineers, two patents, R&D design and customization responsibilities, and auditable design input/output, review, verification, and validation documents. Against this, it launched no new products in the past year, so the evidence supports established R&D capability but not recent product-launch activity.

Production capacityReported output is 16.5 million LiFePO4 battery pieces and 26.4 million lipo battery pieces, with peak-season fulfillment within 15 working days and off-season lead time stated as within 15 working days to one month. The supplier also serves multiple international markets, but its quality-control testing equipment count is stated as zero and the quality-assurance and traceability statuses are unknown.

Customization capabilityThe supplier provides OEM services for well-known brands and supports customization from samples, designs, full customization, minor customization, and flexible customization. Its R&D engineers are specifically responsible for designing and customizing products according to customer needs, with supporting R&D documentation available for audit.

Product Q&A

Q:Where can I get the price?

We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we'll regard your inquiry priority.

Q:How can I get a sample to check your quality?

After price confirmation, you can require some samples to check our quality.

Q:What about the lead time for mass production?

Honestly, it depends on your order quantity and the season you place the order. We suggested that you start inquiry two months before the date you would like to get the products at your country.

Q:What is your terms of payment?

We accept T/T and L/C.

Q:What is the warranty period?

We provide a one-year warranty for batteries. If any quality problems not caused by improper use or man-made, A&S Power will replace it one by one.