Can the battery thickness be customized?

Yes, the thickness can be adjusted while width and height keep the same.

Do you offer free samples?

For lithium polymer batteries with capacity less than 500mAh, we can provide 5pcs of free samples. Buyers pay for the shipping cost. If items are in stock, we can send out samples within 5 days.

What certifications do your batteries have?

Our batteries are KC/UL approved and also have CB, UEC62133, UN38.3, BIS, IEC62133, CE, and ROHS certifications.

Custom 3.7V 350mAh Lipo Battery Rechargeable Lithium Polymer Battery for Wearable Electronics

Name: Custom 3.7V 350mAh Lipo Battery Rechargeable Lithium Polymer Battery for Wearable Electronics
Brand: Shenzhen A&S Power Technology Co., Ltd.
SKU: 2121762912

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

US$1.10-1.25

10 Pieces

Sample price:US$1.25/piece.Request sample

Product profile

Customization

Available

Type

Lithium-Polymer Battery Pack

Connection Mode

Series and Parallel

Model NO.

3.7V 350mAh

Rechargeable

Chargeable

Discharge Rate

Low Discharge Rate

Size

Small

Accessories Type

Battery

Rated Capacity

100MAH～500MAH

Standard Voltage

3.7V

Usage

Remote Control Boat, Remote Control Plane, Remote Control Car, Digital Products

Electrolyte

Lithium Polymer

Weight

10g

Cycle Life

500times

OEM/ODM

Yes

Manufacture

Yes

Warranty

12 Months

Ntc

Yes

Wire

Yes

PCB

Yes

Sample

Available

Connector

Jst/Molex etc.

Transport Package

Customized, Safety Packaging

Specification

5.7*22.5*37.5mm

Trademark

A&S POWER

Origin

China

HS Code

8507600090

Production Capacity

80000PCS/Day

Key features

Long Cycle Life: Chargeable up to 500 times with low self-discharge rate.

Fast Charging Capability: Can be charged to 90% within 10 minutes.

Customizable Dimensions: Thickness can be adjusted while width and height remain constant.

Safety Certified: UL, KC, BIS, IEC62133, CB, CE, and ROHS certified.

OEM/ODM Service: Full customization available from samples or designs.

One-Year Warranty: Free replacement for quality problems not caused by improper use.

Free Sample Policy: 5 free samples for capacity under 500mAh; buyer pays shipping.

High Energy Density: Lightweight design with high energy density for portable electronics.

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: ≤2.52h

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 for 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 your 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.