Do you provide OEM and ODM services?

Yes, we offer both OEM and ODM services with flexible customization options.

What is the maximum discharge current?

The normal discharge current is 20A, with a maximum continuous current of 50A and a max pulse instant current of 100A.

Lithium Ion Battery 12V 50ah for Portable Wireless Bluetooth Loud Speaker

Name: Lithium Ion Battery 12V 50ah for Portable Wireless Bluetooth Loud Speaker
Brand: Zhuhai Jinwo Electronic Technology Co., Ltd
SKU: 1979083902

Guangdong, ChinaZhuhai Jinwo Electronic Technology Co., Ltd

US$150.00-250.00

100 Pieces

Product profile

Customization

Available

Type

Lithium-Ion Battery Pack

Connection Mode

Series and Parallel

Model NO.

Lithium Ion Battery

Rechargeable

Non-Rechargeable

Discharge Rate

Low Discharge Rate

Size

Small

Accessories Type

Battery

Rated Capacity

40ah

Standard Voltage

12V

Usage

Wireless Speaker

Electrolyte

Li-ion

Charge Voltage

12.6V

Battery Cell

LG, SANYO, Samsung

Original

China

Package

Daily Production

10-12K(Battery Pack)

Transport Package

Carton

Specification

18650 High Power

Trademark

JINWO

Origin

China

HS Code

850760900

Production Capacity

10000PCS/Month

Key features

Custom Battery Design: Full customization available including size, shape, and specifications based on customer requirements.

High Capacity Performance: Nominal capacity of 50Ah with 12V voltage, supporting up to 100A pulse current.

Comprehensive Protection: Equipped with overcharge, over-discharge, over-current, temperature protection, and balancing functions.

Premium Cell Brands: Utilizes high-quality cells from LG, SANYO, Samsung, Panasonic, and Tl.

Global Certifications: Passed CB, IEC62133, UN38.3, CE, FCC, DGM, MSDS, and Marine certifications.

ISO Certified Factory: Manufacturer with ISO9001 quality management system and 12 years of customization experience.

High Daily Output: Production capacity of 10,000 to 12,000 battery packs daily with 6 assembly lines.

Free Sample Opportunity: Customers have a chance to receive a free sample for evaluation.

Company profile

Patents AwardedR&D CapabilitiesManagement CertificationHigh Repeat Buyers Choice

Zhuhai Jinwo Electronic Technology 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: 9 years CertifiedNearest Port: Zhuhai Port, Guangzhou Port, Shenzhen PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryJinwo is identified as a trade company located in Jinwan District, Zhuhai, with battery assembly, engineering, quality, procurement, and related departments. The supplier reports more than 20 years of battery design, assembly, and production experience, four battery assembly lines, over 100 employees, and daily output of 40,000–50,000 battery packs. Its products serve medical instruments, light electric vehicles, mobile devices, Bluetooth products, photographic equipment, toys, and motorcycles. UN38.3, CE, UL, and ISO9001 certifications are stated. The company reports a strong battery R&D team and customization of various product sizes, while most structured indicators concerning ODM/OEM, overseas services, traceability, new product launches, and private mold or 3D design capabilities remain unknown. Its stated export sales share is 41%–50%, although the primary export market is listed as domestic.

CertificationsThe supplier states that its products have obtained UN38.3, CE, and UL certificates, and that the company has passed ISO9001 quality management system certification. These statements provide explicit evidence of product and management-system certifications.

R&D capabilityThe supplier describes a strong R&D team focused on electrochemistry, cell structure, and electronic control, as well as more than 20 years of battery design experience. However, ODM, SDK, private-mold, 3D design, and new-product information capabilities are marked unknown, so the broader innovation capability is only partially evidenced.

Production capacityThe supplier reports four battery assembly production lines, more than 100 employees, daily output of 40,000–50,000 battery packs, and complete battery-cell, protection-board, testing-equipment, and laboratory resources. Another record lists eight production lines, while both peak and off-peak order fulfillment are stated as within 15 workdays; these details support substantial production capacity, although the line-count discrepancy should be verified.

Customization capabilityThe supplier explicitly states that various product sizes can be customized. Capabilities for private molds, 3D software design, and product-information-based R&D are marked unknown, so customization is evidenced for size variation but not for broader engineering or tooling services.

Client casesThe supplier states that its lithium-battery products serve medical instruments, light electric vehicles, mobile phones, tablets, Bluetooth products, photographic equipment, mobile power supplies, electronic toys, and motorcycles, with customers at home and abroad. These are application and market claims rather than named customer references, and Fortune 500 cooperation is unknown.

Product Q&A

Q:Is the battery rechargeable?

The product listing specifies Non-Rechargeable, but the company specializes in medical rechargeable lithium batteries and offers custom rechargeable packs.

Q:Can I customize the battery size and specifications?

Yes, full customization is available including size, shape, voltage, and capacity based on your samples or designs.

Q:What is the minimum order quantity?

The minimum order quantity is 1 piece.

Q:What is the lead time for orders?

The average lead time is within 15 working days for both peak and off-peak seasons.

Q:What payment terms do you accept?

We accept T/T and LC (Letter of Credit) as payment terms.