Description
Introducing the 12V 250Ah LiFePO4 Battery, a robust and high-performance energy storage solution manufactured by a leading OEM in China. This advanced lithium iron phosphate (LiFePO4) battery is designed for demanding applications such as solar power systems, electric vehicles, and backup power solutions. With its cutting-edge technology and reliable Battery Management System (BMS), this battery is an ideal choice for OEM, ODM, and wholesale buyers seeking efficient energy solutions.
Key Features
- High Capacity: This battery boasts a nominal capacity of 250Ah and an energy output of approximately 3200Wh, making it perfect for powering larger devices and systems that require substantial energy.
- Long Cycle Life: Engineered to exceed 4000 cycles at 80% Depth of Discharge (DoD), ensuring exceptional durability and longevity while minimizing replacement costs.
- Wide Operating Temperature Range: The battery functions efficiently in temperatures from -20°C to 65°C, making it suitable for diverse environments, including extreme conditions.
- Smart BMS Protection: The integrated Battery Management System provides comprehensive protection against overcharging, over-discharging, short circuits, and temperature extremes, ensuring safe operation.
- Lightweight Design: Weighing approximately 27.8 kg, this battery is easy to transport and install, making it ideal for various applications where mobility is essential.
Product Description
The 12V 250Ah LiFePO4 Battery is engineered to meet the rigorous demands of modern energy applications. With a nominal voltage of 12.8V, it provides reliable energy storage suitable for solar energy systems, RVs, marine applications, and backup power setups.
A 12V 250Ah LiFePO4 battery provides high capacity and exceptional durability by utilizing advanced lithium iron phosphate chemistry combined with a sophisticated Battery Management System (BMS). Offering over 5000 cycles at 80% depth of discharge, fast charging, and robust safety features, it ensures reliable, long-lasting power for solar energy storage, RVs, marine applications, and off-grid systems.
What are the key specifications of a 12V 250Ah LiFePO4 battery?
This battery delivers a nominal voltage of 12.8V and a capacity of 250Ah, yielding approximately 3200Wh of usable energy. It supports continuous discharge currents up to 100A and peak discharge currents of 300A (less than 1 second). The battery weighs between 28 to 31.5 kg depending on the model and features a durable ABS or metal casing with IP65 to IP66+ waterproof ratings. Dimensions typically range around 640 x 245 x 220 mm.
How does the Battery Management System (BMS) enhance safety and performance?
The integrated BMS provides multiple protections including overcharge, over-discharge, over-voltage, over-current, short circuit, and temperature monitoring. It balances cell voltages to optimize battery capacity and extend lifespan. Optional communication protocols such as CAN, RS485, and Bluetooth enable real-time monitoring and diagnostics, facilitating predictive maintenance.
Why is LiFePO4 chemistry preferred for high capacity and durable batteries?
LiFePO4 chemistry offers superior thermal stability, safety, and long cycle life exceeding 5000 cycles at 80% depth of discharge. It maintains stable voltage output, resists thermal runaway, and has a low self-discharge rate (<3% per month). Compared to lead-acid batteries, it is lighter, more efficient, and environmentally friendly.
What are the typical applications for a 12V 250Ah LiFePO4 battery?
Ideal for solar energy storage systems, recreational vehicles (RVs), marine vessels, off-grid power, backup power solutions, and other high-demand applications requiring reliable, long-lasting energy storage.
How do charging and discharging specifications impact performance?
The battery uses a CC/CV charging profile with a full charge voltage around 14.6V and a discharge cut-off voltage of 10V. It supports a standard charging current of 50A and continuous discharge current of 100A, with peak discharge bursts up to 300A. These parameters enable fast charging and high power delivery.
Charging and Discharging Specifications
| Specification | Value |
|---|---|
| Nominal Voltage | 12.8V |
| Nominal Capacity | 250Ah |
| Nominal Energy | 3200Wh |
| Continuous Discharge | 100A |
| Peak Discharge Current | 300A (<1 second) |
| Standard Charging Current | 50A |
| Full Charge Voltage | 14.6V |
| Discharge Cut-off Voltage | 10V |
| Cycle Life | >5000 cycles @ 80% DoD |
| Operating Temperature | Charge: 0°C to 45°C |
| Discharge: -20°C to 75°C | |
| Protection Rating | IP65 to IP66+ |
| Weight | 28-31.5 kg |
How does temperature affect battery life and safety?
The battery operates reliably within a wide temperature range, from -20°C to 75°C for discharge and 0°C to 45°C for charging. The BMS actively manages temperature to prevent overheating and thermal runaway, ensuring safety and prolonging battery life.
How scalable is the 12V 250Ah LiFePO4 battery for larger systems?
Multiple batteries can be connected in series to increase voltage or in parallel to increase capacity. OEM-Lithium-Batteries provides expert guidance to ensure proper BMS synchronization and system design for balanced charging and discharging.
What maintenance is required to maximize battery lifespan?
Minimal maintenance includes regular terminal cleaning, adherence to recommended charging protocols, avoiding deep discharges, and monitoring battery health through BMS interfaces. OEM-Lithium-Batteries offers firmware updates and technical support to maintain optimal performance.
How does OEM-Lithium-Batteries support customers with their LiFePO4 batteries?
OEM-Lithium-Batteries offers customized 12V 250Ah LiFePO4 batteries with advanced BMS, rugged design, and smart connectivity options like Bluetooth and CAN bus. Their expert team ensures seamless integration, reliable operation, and comprehensive after-sales service.
