If there are defective batteries in the warranty, what's your policy to replace them?

Please take the photos of the broken batteries for us and tell us what happen, if everything is confirmed, the new ones will be sent to you as compensation in the next order.

Maintenance Free Battery 12V 36ah (MF NS40) Auto Battery

Name: Maintenance Free Battery 12V 36ah (MF NS40) Auto Battery
Brand: Zhejiang Just Electrical Appliances Co., Ltd.
SKU: 668572852

Zhejiang, ChinaZhejiang Just Electrical Appliances Co., Ltd.

US$19.00-33.00

100 Pieces

Sample price:US$28.00/piece.Request sample

Product profile

Customization

Available

Type

Maintenance-free Type

Rated Voltage

12V

Model NO.

MF NS40

Charging Voltage

1.45V~1.5V

Working Voltage

1.5V~1.1V

Charging Type

Constant Voltage

Wet Shelf Life

2~3Year

Discharging Type

Constant Resistance

Electrolyte

Acid Battery

Certification

ISO9001, RoHS, CE

Brand

Largestar&TNT

Transport Package

Cartons, Pallets

Specification

199*131*231mm

Trademark

Largestar

Origin

China

HS Code

8507100000

Production Capacity

120000 Piece/Pieces / Month

Key features

OEM Logo Printing: Custom logo printing available on battery case for branding.

Full Customization: Offers full customization, minor customization, and flexible customization options.

ISO9001 & CE Certified: Passed CE, ISO9001, and TS16949 certifications for quality assurance.

Long Shelf Life: Wet shelf life of 2 to 3 years for extended storage capability.

High Capacity Options: Available in 12V Maintenance-free and dry charge types from 32Ah to 220Ah.

100% Quality Inspection: All finished products undergo visual and function inspection before shipment.

Manufacturer Direct: Direct from manufacturer in Jinhua, Zhejiang Province with 24 years export experience.

Fast Lead Time: Off-season lead time within 15 workdays; peak season within one month.

Company profile

High Repeat Buyers ChoiceYears of Export ExperiencePatents AwardedManagement Certification

Zhejiang Just Electrical Appliances Co., Ltd.

Zhejiang, 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: 24 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤2.51h

AI-Powered supplier vetting

SummaryThe supplier is identified as a manufacturing factory in Lanxi, Jinhua, and reports a manufacturing area exceeding 100,000 square meters with stated production capability of 5,000,000 pieces. It reports ISO, environmental, automotive-quality, and product-related certifications, although some certification details are presented in company-description form. The supplier has broad customization and ODM capabilities, developed new products during the past year, and offers an SDK. Manufacturing controls include written corrective-action, complaint-handling, supplier-assessment, and quality-assurance procedures. Financial and cash-flow records are indicated for 2023–2025, but no detailed financial results are provided. The supplier lacks inventory, overseas warehouses, overseas agents or branches, overseas showrooms, and offline trade-show experience. It states that it provides OEM services for recognized brands, but no customer names or verifiable case details are supplied.

Supplier typeThe supplier is explicitly classified as a factory in the manufacturing industry and reports its own manufacturing area and production capability. This supports identification as a direct manufacturing supplier rather than a trading-only company.

CertificationsThe supplier reports ISO9001, ISO14001, ISO/TS16949, SGS, CE, RoHS, SONCAP, ISO9001:2015, ISO45001:2018, and other certifications. The slices provide explicit evidence of multiple certifications, although certificate validity and scope are not independently detailed.

After-Sales capabilityThe supplier has documented procedures and records for handling customer complaints and corrective and preventive actions, which supports a formal service-response mechanism. However, it has no overseas agents or branches, no overseas showroom, and no overseas warehouse, limiting demonstrated overseas after-sales infrastructure.

R&D capabilityThe supplier reports new products during the past year, ODM services, and an available SDK. These are direct indicators of product-development and technical support capability.

Production capacityThe supplier reports a manufacturing area exceeding 100,000 square meters, production capability of 5,000,000 pieces, valid contracts with associated subcontractors, 12 qualified service-capability suppliers, and written quality and supplier-management procedures. It also reports one unit of quality-control capability for own-brand quantities, while inventory capacity is explicitly unavailable.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, demonstrating broad stated customization coverage.

Client casesThe supplier states that it provides OEM services for recognized brands, which is evidence of at least one category of brand-serving experience. No customer names, product examples, order history, or independently verifiable case details are provided.

Product Q&A

Q:Are you factory or trading company?

We are Manufacturer which located in Jinhua Zhejiang Province.

Q:What is your terms of payment?

30% deposit in advance, 70% balance pay off against the copy of bill of loading. We'll show you the photos of the products and packages before you pay the balance.

Q:What's kinds of battery will you provide?

We have two types battery: 12V Maintenance free battery and dry charge battery, from 32Ah-220Ah both for car and truck.

Q:Can you print my logo on the battery cover?

Yes, OEM is available,we can print your logo on the battery case, and you can offer your logo.

Q:How to maintain the battery?

The battery should be stored in clean, dry, ventilated, dark environment when not using, keep it after full charge, recharge it every 3 months or 6 months.