How long is the lead time?

The average lead time is within 15 workdays, regardless of peak or off-season.

Is this battery compatible with MX40?

Yes, this is a direct replacement battery specifically designed for the MX40 model.

What is the voltage and capacity?

The standard voltage is 3.7V, with available capacities of 1900mAh or 2000mAh.

Replacement Battery for Mx40 Lithium Ion Battery 3.7V 1900mAh 2000mAh Replacement Batery

Name: Replacement Battery for Mx40 Lithium Ion Battery 3.7V 1900mAh 2000mAh Replacement Batery
Brand: Zhuhai Jinwo Electronic Technology Co., Ltd
SKU: 2040163725

Guangdong, ChinaZhuhai Jinwo Electronic Technology Co., Ltd

US$20.00-50.00

500 Pieces

Product profile

Customization

Available

Type

Lithium-Ion Battery Pack

Connection Mode

Series and Parallel

Model NO.

MX40

Rechargeable

Chargeable

Discharge Rate

Low Discharge Rate

Size

Small

Accessories Type

Battery

Rated Capacity

1900mAh

Standard Voltage

3.7V

Usage

Mx40

Electrolyte

Li-ion

Transport Package

Carton

Specification

18650 LG, PANASONIC, SAMSUNG

Trademark

OEM

Origin

China

Production Capacity

90000PCS/Month

Key features

Customizable Battery Options: Available for neutral or customized branding and full customization from samples or designs.

High Quality Replacement: Made with high-quality parts to meet or exceed original equipment manufacturer specifications.

ISO Certified Factory: Manufactured in an ISO certified facility with 12 years of medical battery experience.

Low Minimum Order: Flexible purchasing with a minimum order quantity of just 1 piece.

Fast Lead Time: Consistent production speed with lead times within 15 workdays for both peak and off-season.

100% Quality Inspection: Every finished product undergoes strict visual and functional inspection before shipment.

OEM/ODM Service: Professional OEM and ODM services available for tailored medical battery solutions.

Competitive Pricing: Offers reduced prices compared to original brands with opportunities for free samples.

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.