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Calcium Car Battery 12V 66Ah for SUVs

As a 20-year battery manufacturer, JUJIANG GROUP supplies the 12V 66Ah maintenance-free car battery to importers, repair chains, and commercial fleet managers. Calcium-calcium technology extends cycle life, while the sealed, spill-proof casing handles engine-bay vibration with confidence. Each batch passes IATF16949 audits and ships with customizable branding. Low self-discharge keeps shelf-stocked units ready for installation. Contact our export team for volume pricing and lead times.
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  • CMF 56638 DIN66

  • BEYONIX

Overview of the 12V 66Ah Calcium Maintenance-Free Car Battery

The CMF 56638 DIN66 is a 12V 66Ah maintenance-free automotive battery featuring calcium-calcium grid technology. Produced by JUJIANG GROUP, a battery manufacturer with more than 20 years of production experience, this unit is supplied to importers, repair chains, and commercial fleet managers. The calcium-calcium construction extends cycle life and reduces water consumption, while the sealed, spill-resistant casing is engineered to withstand engine-bay vibration. Each batch passes quality checks under the factory's IATF16949-audited management system and is available with customizable branding. Low self-discharge helps shelf-stocked units remain ready for installation without pre-charge servicing.

12V 66Ah Calcium Maintenance-Free Car Battery

Key Specifications of the 12V 66Ah Calcium Maintenance-Free Car Battery

Attribute

Specification

Product Type

Maintenance Free Car Battery

Brand

BEYONIX

Voltage

12V

Capacity

66Ah

Size

278 x 174 x 189 mm

Technology

Calcium-Calcium

Sealed Design

Yes, Leak-Proof & Spill-Proof

Operating Temperature

Discharge: -15°C to 40°C; Charge: 0°C to 40°C

Certifications

ISO9001, ISO14001, IATF16949, SABER

Maintenance

Maintenance-Free

Self-Discharge

Low

Production Features of the 12V 66Ah Calcium Maintenance-Free Car Battery

No.

Feature

Function Details

1

Wrought expanded Pb-Ca-Sn grid

Reduces self-discharge and water consumption; integrated grid design provides low resistance and strong adhesion of active materials

2

Enveloped separator for low electric resistance

Delivers reliable starting power; prevents internal short circuits between positive and negative plates

3

Advanced center lug technology and cast-on strap

Resists external impact and vibration; special seal structure supports long service life; hot-melt glue resists vibration and minimizes active material loss

4

Special sealed cover structure

Protects against acid leakage; minimizes gassing; flame arrester prevents ingress of external sparks

5

Reinforced handle and container design

Enables easy transport and installation; computer-designed reinforced container; hot ribs support plates for increased vibration resistance

6

Magic eye charge indicator

Allows visual checking of charge state; applies to JIS, DIN, and BCI global standard specifications

7

Steam-treated positive plates

Improves resistance to external impact and vibration and extends cycle life

Core Advantages of the 12V 66Ah Calcium Maintenance-Free Car Battery

Calcium-Calcium Expanded Grid Technology

The wrought expanded Pb-Ca-Sn grid reduces gassing and water loss during charge cycles, which supports maintenance-free operation. The expanded grid structure also provides low internal resistance and strong adhesion of active material, contributing to consistent cranking current and improved charge retention during storage.

Vibration-Resistant Construction for SUV Use

The cast-on strap, center-lug design, hot-melt glue bonding, and steam-treated positive plates work together to resist the higher vibration levels typical of SUV engine bays. The reinforced polypropylene container and hot-rib plate support further reduce the risk of active material shedding under rough road conditions.

Sealed Cover with Flame-Arresting Vent

The special sealed cover structure protects against acid leakage under normal mounting and minimizes gassing during overcharge conditions. The integrated flame arrester prevents external sparks from entering the cell, which is a safety consideration for workshop and fleet installation environments.

Built-In Charge State Indicator

The magic eye indicator allows installers and fleet technicians to visually verify the battery's state of charge without a multimeter or hydrometer. This feature supports faster receiving inspection in warehouse and workshop settings.

Applications and Use Cases for the 12V 66Ah Calcium Maintenance-Free Car Battery

The CMF 56638 DIN66 is dimensioned for SUVs and larger passenger vehicles that require a 12V 66Ah starting battery with a 278 x 174 x 189 mm footprint. It is suitable for workshop replacement programs, scheduled fleet maintenance, distributor resale, and private-label product lines. Commercial buyers should confirm the vehicle's original group size, terminal configuration, and cranking requirement before specifying this model.

Manufacturing and Quality Control of the 12V 66Ah Calcium Maintenance-Free Car Battery

JUJIANG GROUP manufactures the CMF 56638 DIN66 in a facility with more than 20 years of battery production history. The process includes expanded-grid punching, pasting, curing, enveloped separator assembly, cast-on strap welding, heat sealing, formation charging, and end-of-line electrical testing. Each finished unit undergoes voltage and charge verification before packing, and batches are sampled for capacity and cranking performance under the factory's IATF16949 procedures.

Certifications and Compliance of the 12V 66Ah Calcium Maintenance-Free Car Battery

The production management system is certified to ISO9001 (quality), ISO14001 (environmental), and IATF16949 (automotive quality). The product holds SABER certification for Gulf-market access. Importers should verify any additional market-specific labeling or certification requirements with their local authority.

Packaging, Shipping, and OEM Services for the 12V 66Ah Calcium Maintenance-Free Car Battery

JUJIANG GROUP provides OEM private-label services, including custom label artwork and carton printing, under the BEYONIX brand or the buyer's own brand. The company supports mixed-container loading and supplies standard export documentation. Volume pricing, minimum order quantities, and lead times are available on request.

FAQ About the 12V 66Ah Calcium Maintenance-Free Car Battery

Does the CMF 56638 require water top-ups?

No. Under the manufacturer's specified operating conditions, the calcium-calcium expanded grid reduces water consumption so electrolyte top-ups are not required during the service life.

What is the operating temperature range?

The manufacturer specifies discharge from -15°C to 40°C and charging from 0°C to 40°C.

Can the battery be private-labeled?

Yes. JUJIANG GROUP offers OEM private-label services for importers, distributors, and commercial fleet buyers, including custom label and packaging design.

Which certifications does the battery carry?

The production system is certified to ISO9001, ISO14001, and IATF16949, and the product holds SABER certification for Gulf-market access.

How does the magic eye indicator work?

The magic eye is a built-in hydrometer-style indicator that changes visual appearance based on electrolyte density, allowing a quick visual assessment of the battery's state of charge without test equipment.

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