How do you determine if a battery is in good condition or not?

Inspect for visible defects like broken circuits or containers. If none are present, evaluate the battery's capacity using standard measurement techniques for accurate diagnostics.

Why might a battery show zero voltage?

Zero voltage usually indicates a broken circuit. Possible causes include: 1. Broken electrode column 2. Partition welding defects 3. Terminal welding defects

Premium CE Certified Constant Voltage Car Batteries for Global Wholesale

Name: Premium CE Certified Constant Voltage Car Batteries for Global Wholesale
Brand: Zhejiang Just Electrical Appliances Co., Ltd.
SKU: 2011950175

Zhejiang, ChinaZhejiang Just Electrical Appliances Co., Ltd.

US$26.00-37.00

300 Pieces

Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1year

Model NO.

MF DIN75

Type

Maintenance-free Type

Rated Voltage

12V

Charging Voltage

1.45V~1.5V

Working Voltage

1.5V~1.1V

Charging Type

Constant Voltage

Wet Shelf Life

2~3Year

Discharging Type

Constant Current

Electrolyte

Acid Battery

Certification

ISO9001, RoHS, CE

Brand

Just

Color

Black

OEM

Support

ODM

Support

Model Number

Mf DIN75

Transport Package

Cartons, Pallets

Specification

273*175*190mm

Trademark

Largestar&TNT

Origin

China

HS Code

8507100000

Production Capacity

120000 Piece/Pieces / Month

Key features

CE & ISO Certified Quality: Certified by CE, ISO9001, TS16949, RoHS for trusted performance.

High Capacity & Power: 75Ah capacity with 600A CCA for reliable starting power.

Maintenance-Free Design: Leakage-proof, low self-discharge, and water consumption.

OEM & ODM Support: Custom logos, colors, and models available for branding.

Durable Construction: Calcium-calcium technology with enhanced vibration resistance.

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

Comprehensive Warranty: 1-year warranty coverage for peace of mind.

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: ≤2.43h

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:What are your payment terms?

We require a 30% deposit upfront, with the remaining 70% balance due upon presentation of the loading bill copy. Prior to final payment, we'll share product and packaging photos for your review.

Q:What types of batteries do you offer?

We proudly offer a diverse range: 2V (100Ah-3000Ah), 4V (0.25Ah-4.5Ah), 6V (1.3Ah-12Ah), and 12V (0.8Ah-250Ah). Each model engineered to meet varied power needs.

Q:Can custom logos be printed on the battery cover?

Absolutely! We offer OEM services and can print your logo on the battery case. Simply provide us with your logo design.

Q:How should the battery be maintained?

Store in a clean, dry, ventilated, and dark environment when not in use. Ensure it's fully charged before storage, and recharge every 3 to 6 months to maintain optimal condition.

Q:What are the signs of a failing battery?

Look out for these indicators: 1. Reduced performance 2. Low voltage output 3. Failure to charge or recharge 4. Swelling of the battery container 5. Signs of acid corrosion