How do you ensure long-term business relationships?

We maintain good quality and competitive prices, respect customers, and provide timely help.

Is the product safe to use?

Yes, it features anti-short circuit, anti-scald, anti-explosion protection, and is environmentally friendly with sea report and MSDS.

What is the MOQ for customized brands?

Small quantities are OK for trial orders or samples. 10,000 pcs is required for customized brands.

Customized 1s4p 4s1p 3.7V 14.8V 5ah 20ah Battery Pack 18650 21700 Battery Pack Use for Electrical Tools

Name: Customized 1s4p 4s1p 3.7V 14.8V 5ah 20ah Battery Pack 18650 21700 Battery Pack Use for Electrical Tools
Brand: Shenzhen Tcbest Battery Industry Co., Ltd.
SKU: 1923522286

Guangdong, ChinaShenzhen Tcbest Battery Industry Co., Ltd.

US$2.90

50-499 Pieces

US$2.10

500-999 Pieces

US$1.90

1,000+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Type

Lithium-Ion Battery Pack

Connection Mode

Series and Parallel

Model NO.

18650-1S4P 10400mAh 3.7V

Rechargeable

Chargeable

Discharge Rate

Medium Discharge Rate

Size

Medium

Accessories Type

Battery

Rated Capacity

500MAH～1000MAH

Standard Voltage

1.5V～4.8V1.5V～4.8V

Usage

Remote Control Boat, Remote Control Plane, Remote Control Car

Electrolyte

Li-ion

Transport Package

Wooden Case

Specification

68*76*18.5mm

Trademark

Tcbest

Origin

China

HS Code

8507600090

Production Capacity

20000/Day

Key features

Customizable Battery Packs: Accepts OEM/ODM customization for brand and specifications.

Wide Voltage Options: Available in 3.7V, 4.8V, 14.8V, and other standard voltages.

Multiple Capacity Choices: Options include 5Ah, 20Ah, and 10400mAh configurations.

Comprehensive Certifications: Holds CE, SGS, RoHS, IEC, ISO, and REACH certifications.

High Safety Standards: Features anti-short circuit, anti-scald, and anti-explosion protection.

Fast Delivery Time: Samples delivered in 7-15 days; mass production in 25-35 days.

Competitive Pricing: Offers reasonable prices with professional R&D and quality control.

Free Sample Testing: Free samples are accepted for quality testing purposes.

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: ≤2.07hTerms 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.