Best Quality 12V 7A Maintenance Free Lead Acid 2 Wheel Motorcycle Battery

• Customization: Available
• After-sales Service: 1 Year
• Warranty: 1 Year
• Model NO.: 12n7
• Rated Capacity: 7
• Working Life: 18 Months
• Certification: CE
• Color: Black
• Terminal: Lead Alloy
• Model: 12n7-4b(2.0A)3+4-
• Capacity: 7.7ah
• Voltage: 12V
• OEM & ODM: Acceptable
• Place of Origin: Jiangxi, China
• Delivery Time: Within 15days
• Application: Motorcycle Start Power Battery
• Size: 136*76*126mm
• Weight: 2.5kg
• Transport Package: Carton
• Specification: 136*76*126mm
• Trademark: TD
• Origin: Jiangxi, China
• HS Code: 8507100000
• Production Capacity: 100000 Piece/Pieces Per Month
• Package Size: 34.00cm * 31.50cm * 15.00cm
• Package Gross Weight: 22.400kg

Product Description

Product Description

**Production Process of Sealed Maintenance-Free Lead-Acid Motorcycle Batteries**

1. **Raw Material Preparation**  
   The first step in producing sealed maintenance-free lead-acid batteries involves selecting high-quality raw materials, including high-purity lead ingots, specially formulated sulfuric acid electrolyte, fiberglass separators, and durable, corrosion-resistant plastic casings. These materials undergo strict quality inspections to ensure they meet production standards.

2. **Lead Powder Production and Oxidation**  
   Lead ingots are processed into lead powder using specialized equipment, then oxidized to create lead oxide. This is a crucial step to ensure the battery's performance.

3. **Plate Manufacturing**  
   Lead oxide is mixed with sulfuric acid to create the active material, which is then applied to lead grids to form positive and negative plates. These plates are then dried in a curing chamber to enhance their stability and conductivity.

4. **Plate Assembly and Welding**  
   The positive and negative plates, along with fiberglass separators, are assembled in a specific order to form the battery cell. Fiberglass separators are highly absorbent, retaining the electrolyte while preventing contact between the positive and negative plates. The assembled plates are then welded together to create a solid unit.

5. **Battery Cell Assembly**  
   The assembled plate units are placed into specially designed plastic casings and filled with precisely measured sulfuric acid electrolyte. The battery is then sealed to prevent any acid leakage. This sealed design ensures the battery remains maintenance-free throughout its lifespan.

6. **Initial Charging (Formation Process)**  
   The battery undergoes an initial charge, known as the "formation process," where an electric current activates the electrode materials and establishes a stable electrochemical reaction. This process can take several hours to days, ensuring the battery's long-term stability.

7. **Safety Valve Design and Installation**  
   To ensure safety, a specially designed safety valve is installed before sealing the battery. These valves automatically release gas if internal pressure becomes too high, preventing casing rupture while keeping external air out to maintain internal stability.

8. **Testing and Quality Control**  
   Each battery undergoes rigorous testing before leaving the factory, including capacity testing, voltage measurement, internal resistance testing, sealing checks, and high/low temperature performance tests, ensuring reliable operation under all conditions.

9. **Finishing and Packaging**  
   After passing all tests, the battery is cleaned to remove any residue from the production process and undergoes a final visual inspection to ensure it is free of defects. The battery is labeled with detailed information, including the production date, specifications, and usage instructions, and is then carefully packaged to prevent damage during transport.

10. **Storage and Transportation**  
    The finished batteries are stored in controlled environments to maintain optimal performance. We use secure shipping methods to ensure that each battery is delivered intact and in perfect condition to our customers.

Through these meticulous production steps, our sealed maintenance-free lead-acid motorcycle batteries offer high performance, long life, and the convenience of maintenance-free operation, ensuring exceptional reliability in all environments.

 

Specification

Type	Motorclcye Battery
Model	12N7-4B(2.0A)3+4-
Size	136*76*126mm
Capacity	7.7AH
Voltage	12V
Weight	2.5KG
CCA	145
Delivery Time	15 Days
MOQ	100 pieces
OEM&ODM	15years Experience

Company Profile

 

 

 

PingxiangTiandong Electric Appliance Co.Ltd

Founded in 2007.PingxiangTiandong Electric Appliance Co.Ltd.is located in Luxing Industrial ParkLuxi County. It is a high-tech enterprise specializ ing in battery research and develop- ment, manufacturing and trade. The annual production value of the com pany is 15000 tons of plates and 6million nano high-energy batteries.

The company's battery accessories are self-sufficient,reducing costs, improving quality and ensuring the company's overall development.

PingxiangTiandong Electrical Tech- nology Co.,Ltd. plans to invest 1200 million yuan. The company plans to cover an area of 400mu, with a build- ing area of 121800 m.The company has a group of professional and tech- nical personnel with rich manage- ment, including 40 personnel with senior professional and technical titles, and 30 technical personnel above junior college Has been well-trained staff of 400 people and the current domestic advanced professional production equipment.

Customer Feedback

"To provide customers with good quality and good service" is our factory tenet. Our batteries are exported all over the country.The factory has always given priority to quality and service, and has been recognized by customers. Please trust our batteries, we are happy to provide you with the best power.

Certifications

Packing & Delivery

Carton transportation packaging

Carton free transportation packaging

FAQ

Q: What is your warranty? A: We guarantee the quality before the item is shipped. The warranty will be offered based on different type of battery. Any damages caused by improper use are not covered by our warranty. Q: What is delivery time if we place an order? A: It depends order quantities. Usually, we can deliver goods within 15 working days for small orders, for more QTY. order, let's confirm when you place offical order Q: Are your factory or trading company? A: We are proffesional lead-acid battery manufacturer with our own factory and brand. We provide all kinds of OEM/ODM services for clients around globe.