Description
Introducing the 12V 300Ah LiFePO4 Battery, a powerful energy storage solution manufactured in China, designed specifically for OEM, ODM, and wholesale buyers. Utilizing advanced Lithium Iron Phosphate (LiFePO4) technology, this battery delivers a robust nominal energy output of 3840Wh, making it ideal for demanding applications such as RVs, marine systems, and renewable energy storage.
Key Features
- High Capacity: This battery provides a nominal voltage of 12.8V and a substantial capacity of 300Ah, ensuring reliable power for various applications, including off-grid systems and backup power solutions.
- Long Lifespan: Designed to exceed 4000 cycles at 80% Depth of Discharge (DoD), this battery offers exceptional longevity and reliability, significantly reducing total ownership costs compared to traditional lead-acid batteries.
- Robust Safety Features: Equipped with an intelligent Battery Management System (BMS), it protects against overcharging, over-discharging, and short circuits, ensuring safe operation in diverse conditions.
- Versatile Applications: Suitable for a wide range of setups including RVs, boats, commercial solar installations, and backup power systems, this battery meets the energy demands of various environments.
- Customizable Options: Available for OEM/ODM projects, allowing tailored specifications to meet your specific requirements, such as branding and labeling.
Product Description
The 12V 300Ah LiFePO4 Battery is engineered to provide reliable energy storage and management for a wide range of applications. Key specifications include:
- Nominal Voltage: 12.8V
- Nominal Energy Output: 3840Wh
- Weight: Approximately 28 kg (62 lbs)
- Dimensions: 532 x 235 x 207 mm (20.9 x 9.25 x 8.15 inches)
This battery is designed to perform under diverse conditions with charging capabilities ranging from 0°C to 60°C and discharging capabilities between -20°C to 65°C. The self-discharge rate is maintained at only 3% per month, ensuring that the battery remains ready for use when needed.With a maximum continuous charge current of up to 100A and a discharge current of up to 300A, this battery is engineered to handle significant power demands effectively. The durable ABS casing provides fire-resistant protection while ensuring longevity.For OEM/ODM clients, we offer extensive customization options including silk-screen labeling and user manuals. Our flexible delivery terms (FOB, EXW, CIF) ensure that your orders are processed promptly within 20 days.Choose the 12V 300Ah LiFePO4 Battery for unmatched performance, reliability, and versatility in your energy storage solutions. Elevate your power capabilities with our trusted batteries—your journey towards efficient energy starts here!
The 12V 300Ah LiFePO4 battery offers exceptional high capacity (3.84 kWh) and an extended cycle life exceeding 4,000 deep cycles. Its lightweight, maintenance-free design combined with advanced safety features and robust Battery Management System (BMS) makes it ideal for renewable energy, RVs, marine, and backup power applications.
What Are the Key Specifications of the 12V 300Ah LiFePO4 Battery?
This battery provides a nominal voltage of 12.8V and a capacity of 300Ah, delivering approximately 3,840Wh of usable energy. It weighs around 85 to 90 pounds and typically measures about 20.5″ x 9.4″ x 8.7″. Constructed with prismatic or cylindrical LiFePO4 cells, it features an IP65 to IP66 rated ABS enclosure for dust and water resistance. The battery supports continuous discharge currents of up to 100A and peak currents up to 200A. Its cycle life exceeds 4,000 cycles at 100% depth of discharge, ensuring long-term reliability.
How Does LiFePO4 Chemistry Enable High Capacity and Long Life?
Lithium iron phosphate chemistry offers superior thermal and chemical stability, enabling deep discharges without damage and a long cycle life—often over 4,000 cycles at full depth of discharge. Its high energy density allows more power in a compact, lightweight package. Additionally, LiFePO4 chemistry reduces risks of thermal runaway and fire, making it safer than other lithium-ion alternatives.
Which Role Does the Battery Management System (BMS) Play in Performance and Safety?
The integrated BMS continuously monitors voltage, current, and temperature across cells, protecting the battery from overcharge, over-discharge, short circuits, and overheating. It balances cell voltages for uniform charging and discharging, optimizing capacity and extending battery life. Advanced BMS models also provide low-temperature charging protection and real-time diagnostics, enhancing safety and reliability.
How Does the 12V 300Ah LiFePO4 Battery Improve Renewable Energy and Off-Grid Systems?
With its high capacity and long cycle life, this battery is ideal for solar energy storage, wind power systems, and off-grid applications. Its lightweight design reduces installation complexity, and its fast charge/discharge capabilities enable efficient energy use. The battery’s robust safety features and maintenance-free operation ensure dependable power supply in remote or critical environments.
What Are the Installation and Compatibility Features of This Battery?
Designed as a drop-in replacement for traditional lead-acid batteries, the 12V 300Ah LiFePO4 battery fits standard Group 8D or similar battery compartments. It includes standard M8 terminals and is compatible with most 12V systems. OEM-Lithium-Batteries provides detailed installation instructions and technical support to facilitate seamless integration with solar charge controllers, inverters, and other power management devices.
How Does OEM-Lithium-Batteries Guarantee Quality and Reliability?
OEM-Lithium-Batteries employs premium-grade LiFePO4 cells and advanced BMS technology, ensuring consistent high performance and safety. Their batteries undergo rigorous quality testing, including certifications such as CE, UL, RoHS, and UN38.3. The company offers extensive warranties and customer support, reflecting their commitment to delivering durable, reliable energy storage solutions.
What Maintenance Practices Maximize the Lifespan of the 12V 300Ah LiFePO4 Battery?
Optimal battery longevity is achieved by:
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Using chargers compatible with LiFePO4 chemistry.
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Avoiding deep discharges below recommended cut-off voltages.
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Storing the battery at 50-70% state of charge during extended non-use.
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Regularly inspecting and cleaning terminals to prevent corrosion.
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Monitoring battery health via BMS or smart monitoring tools when available.
These steps help maintain capacity and prevent premature aging.
How Does the 12V 300Ah LiFePO4 Battery Perform in Extreme Temperatures?
This battery operates effectively within a wide temperature range: discharge from -4°F to 140°F (-20°C to 60°C) and charge from -4°F to 113°F (-20°C to 45°C). Its BMS includes low-temperature charging protection to prevent damage in cold climates. The rugged enclosure and IP65/IP66 rating protect against environmental hazards, making it suitable for outdoor and marine use.
Table: 12V 300Ah LiFePO4 Battery vs. Lead-Acid Battery Comparison
| Feature | 12V 300Ah LiFePO4 Battery | Typical 12V 300Ah Lead-Acid Battery |
|---|---|---|
| Energy Capacity (Wh) | 3,840 | ~2,400 |
| Weight (lbs) | 85 – 90 | 180 – 220 |
| Cycle Life (80% DoD) | >4,000 | 500 – 1,000 |
| Continuous Discharge (A) | 100 | 75 – 100 |
| Charge Time (hours) | 3 – 5 | 6 – 10 |
| Maintenance | Minimal | Regular water topping |
| Safety | High (BMS protected) | Moderate |
| IP Rating | IP65 – IP66 | Usually none |
Can Multiple 12V 300Ah LiFePO4 Batteries Be Connected for Larger Systems?
Yes, these batteries can be connected in series to increase voltage (e.g., two for 24V, four for 48V) or in parallel to increase capacity (e.g., two for 600Ah at 12V). Proper BMS coordination and wiring practices must be followed to maintain safety and performance.
What Environmental Benefits Does the 12V 300Ah LiFePO4 Battery Offer?
LiFePO4 batteries are free from toxic heavy metals like lead and cadmium, making them environmentally safer. Their long lifespan reduces waste and resource consumption. Additionally, they are recyclable and have stable chemistries that minimize fire and leak hazards, contributing to sustainable energy solutions.
How Does OEM-Lithium-Batteries Support Customers Post-Purchase?
OEM-Lithium-Batteries provides comprehensive post-sale support including technical assistance, warranty services, and guidance on battery maintenance and system integration. Their responsive customer service ensures users maximize battery performance and longevity, providing peace of mind throughout the product lifecycle.
