Jn4V4 Wholesale Superstart Dry Cell Lead Acid 4V UPS Battery

• Customization: Available
• After-sales Service: 1 Year
• Warranty: 1 Year
• Model NO.: JN4V4
• Type: Lead-Acid Battery
• Rated Capacity: 4
• Working Life: 18 Months
• Certification: CE
• Color: Black
• Terminal: Lead Alloy
• Model: Jn4V4
• Voltage: 4V
• OEM & ODM: Acceptable
• Place of Origin: Jiangxi,China
• Delivery Time: Within 15days
• Application: Motorcycle Start Power Battery
• Size: 47*47*101mm
• Weight: 0.45kg
• Transport Package: Carton
• Specification: 47*47*101mm
• Trademark: TD
• Origin: Jiangxi, China
• HS Code: 8507100000
• Production Capacity: 100000 Piece/Pieces Per Month
• Package Size: 30.00cm * 24.50cm * 11.50cm
• Package Gross Weight: 13.770kg

Product Description

Products 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.

 

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

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.

Our Certificate

Product 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 Official order Q: Are your factory or trading company? A: We are profesional lead-acid battery manufacturer with our own factory and brand. We provide all kinds of OEM/ODM services for clients around globe.