How about the lead time?

Samples will takes 5-7 business days. Mass production will takes 25-30 days. It depends on quantity.

How about shipping and delivery time?

Generally, battery will be shipped via Express, such as DHL, TNT, FedEx and UPS, delivery time is 3-5 business days. Or DDP service, delivery time is 11-15 business days. Airline and sea shipping also available.

What about after-sale service?

We will offer you 1-5 year guarantee. If there are any problems, please inform us, we will offer you positive solutions.

3.7V 503035 500 mAh Rechargeable Lithium Polymer Battery

Name: 3.7V 503035 500 mAh Rechargeable Lithium Polymer Battery
Brand: Shenzhen Tcbest Battery Industry Co., Ltd.
SKU: 1919715321

Guangdong, ChinaShenzhen Tcbest Battery Industry Co., Ltd.

US$0.82

500-999 pieces

US$0.81

1,000-1,999 pieces

US$0.79

2,000-9,999 pieces

US$0.78

10,000+ pieces

Sample price:US$0.81/piece.Request sample

Product profile

Customization

Available

Type

Li-ion Battery

Cathode Material

Lithium Polymer

Model NO.

503035

Rechargeable

Yes

Size

Small

Socket Type

for All

If OEM

Yes

Nominal Voltage

3.7V

Capacity

500mAh

Charger Type

Electric Charger

Application

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

If Recyclable

Recyclable

Jacket

PVC

Cycle Life

More Than 500 Times

Transport Package

Carton

Specification

5.0*30*35mm

Trademark

Tcbest

Origin

Guangdong, China

HS Code

8507600090

Production Capacity

50000pieces/Years

Key features

OEM Customization Available: Supports OEM services with customized socket types and specifications.

High Discharge Rate: Features a 25C discharge rate for high-performance digital devices.

Long Cycle Life: Designed for more than 500 charge-discharge cycles.

Comprehensive Protection: Includes over-charge, over-discharge, over-current, and over-temperature protection.

Fast Charging Time: Fully charges in approximately 1 hour.

CE Certified: Product meets CE certification standards for safety and quality.

12-Month Warranty: Comes with a 12-month warranty for peace of mind.

Company profile

Importers and ExportersSelf-branded

Shenzhen Tcbest Battery Industry Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2010-12-01Nearest Port: Shenzhen , HK, GuangzhouAverage Response Time: ≤2.24hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, EXW, Others

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company, while the materials also describe two factories, imported production machinery, and factory-management procedures. It demonstrates broad customization and ODM capability, has two R&D engineers, and launched new products during the past year. Quality-related controls include raw-material traceability, written warehouse procedures with records, two quality inspectors, three testing devices, and random finished-product inspection. Supplier-service procedures and corrective/preventive-action records are documented, with 20 qualified service-capable suppliers. Overseas service infrastructure is limited: there are no overseas warehouses, showrooms, agents, or branches, and the stated overseas-service country count is zero. The supplier has participated in the China Import and Export Fair and reports OEM service for well-known brands. Evidence is insufficient for certification holding and after-sales capability, while financial information is present only as year...

After-Sales capabilityTwo technology engineers are responsible for providing technical support for after-sales service, which is direct evidence of some technical after-sales support. However, the supplier has no overseas warehouse, showroom, agent, or branch, and no broader service performance or response-capability evidence is provided.

R&D capabilityThe supplier reports new products during the past year, offers ODM services, and has two R&D engineers responsible for new product development and technical support. It does not have an available SDK, but the documented product-development activity supports a positive assessment of innovation capability.

Production capacityEvidence includes imported main production machinery from Canada, fast-production claims, factory-management regulations covering two factories, written warehouse quality procedures with records, two quality inspectors, three testing devices, and 20 qualified service-capable suppliers. These indicators support production and operational capability, although production volume and capacity metrics are not provided.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. ODM service is also available, providing strong direct evidence of broad customization capability.

Client casesThe supplier reports OEM service for well-known brands and participation in the China Import and Export Fair. These are customer or market-engagement indicators, but no brand names, project details, volumes, or independently verifiable case descriptions are supplied.