12.8V 300Ah LiFePO4 Rechargeable Battery

12.8V 300Ah LiFePO4 Rechargeable Battery by Vcell Power, a trusted China factory and supplier. Quality management systems and 100% pre-shipment inspection ensure reliability. This manufacturer supports customization: voltage, capacity, size, interface. Flexible MOQ with sample lead time 7-15 days, mass production 25-30 days. Shipping via UPS/FedEx (5-7 days) or sea freight. Backed by 1-2 year warranty, remote diagnostics, and replacement service. Four factories across Guangdong, Henan, Jiangxi, Shandong. Choose this China manufacturer for cost-effective, durable energy storage solutions.

Manufacturing Infrastructure & Process Control

VCELL POWER has over 20 years of manufacturing evolution, operating advanced automated equipment across four Chinese factories (Guangdong, Henan, Jiangxi, Shandong). The production line includes:

- Vacuum mixers for homogeneous electrode slurry - Coating machines for precise active material deposition - Calenders for uniform electrode density - Slitting machines for electrode dimension accuracy - Winding machines and laminating machines for cell assembly - Electrolyte filling machines under inert atmosphere - Sorting machines for cell matching by internal resistance & capacity - Spot welders for reliable cell connections - Aging test cabinets for real-world cycle validation

This end-to-end automation enables intelligent control from material preparation to finished product testing, significantly enhancing production efficiency. The 12.8V 300Ah LiFePO4 Rechargeable Battery is produced under these strict protocols. A team of over 1,000 skilled employees receives regular technical training to maintain quality standards.

Product Parameter

Performance Advantages vs. Lead-Acid Batteries

Lithium iron phosphate chemistry offers measurable improvements over traditional lead-acid batteries:

- Higher power density: more usable energy in a smaller, lighter footprint - Minimal maintenance: no water refilling, no equalization charges, no terminal cleaning - Extended cycle life: lasts 2 to 3 times longer than equivalent lead-acid batteries - Lower long-term costs: fewer replacements and reduced labor expenses - Wide operating temperature range: strong environmental adaptability across climates - Consistent voltage delivery under load, even at low state of charge

These real-world advantages have been validated through thousands of field deployments across multiple industries.

Direct Lead-Acid Replacement Applications

The product is specifically engineered to replace lead-acid batteries in diverse scenarios. The 12.8V nominal voltage matches 12V lead-acid systems for drop-in compatibility. Typical applications include:

- Recreational vehicles (RVs) and yachts: house banks for lighting, refrigeration, entertainment - Home energy storage: peak shaving, solar self-consumption, grid backup - Communication base stations: reliable backup for 4G/5G infrastructure in remote locations - Medical equipment: mobile carts, hospital backup, portable diagnostic devices - Security systems: CCTV, access control, alarm panels needing 24/7 readiness - Electric forklifts and automated guided vehicles (AGVs): fast charging, reduced downtime

The ABS shell provides shockproof, waterproof, and dustproof protection for all these environments.

Structural & Chemical Safety Features

Safety is embedded in both chemistry and mechanical design. The 12.8V 300Ah LiFePO4 Rechargeable Battery is built on high-performance LiFePO₄ cells with the following safety characteristics:

- Excellent thermal stability: no thermal runaway under normal or moderate abuse - Chemical stability: phosphate-olivine structure prevents oxygen release, even at elevated temperatures - ABS material shell: shock-resistant, anti-aging, high toughness - Dustproof and waterproof enclosure: protects cells and BMS from contaminants - Built-in BMS: continuous monitoring of cell voltages, temperatures, and current - Protection features: over-discharge cutoff, over-charge cutoff, short-circuit protection, temperature-based disconnection - Cell sorting before assembly: matched capacity and internal resistance to prevent imbalance

Every unit undergoes aging tests to verify long-term stability before leaving the factory.

Logistics, MOQ & Lead Times

Shipping and ordering parameters are structured for project planning clarity:

Shipping methods: - Express couriers (UPS, FedEx): typical delivery in 5-7 days - Sea freight: available for larger orders to optimize landed cost - Appropriate dangerous goods documentation (UN38.3, MSDS) included

MOQ (Minimum Order Quantity): - MOQ requirement exists, but small orders are supported for initial evaluation

Lead times: - Sample fabrication: 7-15 days - Mass production: 25-30 days after sample approval

Order flexibility: - Multiple delivery methods offered to meet timeliness and cost requirements - Sales team provides periodic updates during production

Pre-Sales Engineering Support

Before any order, engineering support is available to ensure correct system integration:

- Experienced engineers answer technical battery questions - Assistance in finding the most suitable solution for specific devices or projects - Customization support: voltage, capacity, size, interface modifications available - Goal: perfect match between the 12.8V 300Ah LiFePO4 Rechargeable Battery and the application - Quick response: product information, specifications, and quotes provided immediately upon request - For custom orders: 2D drawings and 3D models shared for approval

In-Sales Quality Control & Communication

During order execution, the following practices ensure transparency and quality:

- Strict quality control at every stage: incoming raw materials, in-process inspections, final assembly - Full pre-shipment inspection guarantees battery quality before dispatch - Sales staff maintains real-time communication with timely feedback on production progress - Logistics status updates provided throughout the shipping process - Multiple delivery methods offered to meet different timeliness and cost requirements - All shipments include appropriate dangerous goods documentation for customs clearance

After-Sales Lifecycle Support

A structured after-sales program covers every delivered unit:

- Depending on battery product type: 1-2 year warranty for manufacturing defects - Coverage includes: cell imbalance, BMS failures, capacity dropping below 80% within warranty period - Installation guidance: written manuals and video tutorials - Remote diagnostics: via BMS data logging or customer-provided measurements - Maintenance recommendations: optimal storage voltages, charge voltage limits, periodic capacity checks - Full battery lifecycle support ensures stable development of products and projects - If any quality or usage issue arises: fast solution, replacement, or repair services provided

Environmental Adaptability & Green Profile

The 12.8V 300Ah LiFePO4 Rechargeable Battery is engineered for diverse operating conditions and environmental responsibility:

Environmental adaptability: - Wide operating temperature range: suitable for uninsulated sheds, outdoor cabinets, marine compartments - ABS shell: resistance to humidity, dust, and minor impacts - Suitable for both mobile (RV, yacht) and stationary (home storage, base stations) applications

Green profile: - LiFePO₄ chemistry: no cobalt, no lead, no acid, no heavy metals - Long lifespan: 2-3 times longer than lead-acid, reducing waste over a decade - Recyclable cells: specialized facilities recover lithium, iron, and phosphate - No regular maintenance waste (no water topping, no corrosive residue) - Contributes to sustainability goals and green building certifications