Description
Our company, a leading lithium battery manufacturer, offers the 12V 250Ah LiFePO4 Battery, an advanced energy – storage solution. It combines high capacity with long – term reliability, perfect for OEM and wholesale buyers.
Key Features
- High Capacity: With a 250Ah nominal capacity and around 3200Wh energy output, it can power large devices and systems.
- Long Cycle Life: Over 4000 cycles at 80% DoD reduce total ownership costs.
- Wide Temperature Range: Works efficiently from – 20¡ãC to 65¡ãC, suitable for diverse settings.
- Smart BMS: Protects against overcharging, over – discharging, short circuits, and extreme temperatures.
- Lightweight: Weighing about 27.8 kg, it’s easy to transport and install.
Product Description
The 12V 250Ah LiFePO4 Battery is engineered for modern energy applications. Its 12.8V nominal voltage makes it suitable for solar systems, RVs, marine use, and backup power.
The 12V 250Ah LiFePO4 battery is a high-capacity, long-lasting lithium iron phosphate battery designed for reliable and safe energy storage. Featuring advanced Battery Management System (BMS) technology, it offers over 4000 deep charge cycles and superior safety. Ideal for solar power, electric vehicles, and backup systems, Redway ESS manufactures these batteries with premium materials and rigorous quality control to ensure durability and eco-friendliness.
What Is a 12V 250Ah LiFePO4 Battery and How Does It Work?
A 12V 250Ah LiFePO4 battery consists of lithium iron phosphate cells arranged to provide a nominal voltage of 12.8 volts and a capacity of 250 amp-hours, delivering approximately 3200 watt-hours of energy. It stores and releases energy via lithium-ion movement between cathode and anode, offering stable voltage, high energy density, and resistance to thermal runaway for safe, consistent power.
What Are the Key Features and Specifications of a 12V 250Ah LiFePO4 Battery?
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Nominal Voltage: 12.8V
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Capacity: 250Ah (3200Wh)
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Cycle Life: Over 4000 cycles at 80% depth of discharge
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Maximum Continuous Discharge Current: 100A
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Peak Discharge Current: 200A (short bursts)
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Charge Voltage: 14.4-14.6V
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Operating Temperature: Charge 0°C to 45°C, Discharge -20°C to 60°C
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Weight: Approximately 32-35 kg
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Dimensions: Around 520mm x 220mm x 240mm
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Cell Type: Prismatic or cylindrical LiFePO4 cells with integrated BMS
How Does the Battery Management System (BMS) Protect and Optimize the Battery?
The BMS continuously monitors voltage, current, temperature, and state of charge to prevent overcharging, deep discharging, short circuits, and overheating. It balances cell voltages to maintain uniform performance, extending battery life and ensuring safety. Redway ESS integrates advanced BMS technology with options for Bluetooth and CAN communication for real-time monitoring.
What Safety Features Does LiFePO4 Chemistry Provide?
LiFePO4 chemistry is known for its thermal and chemical stability, minimizing risks of overheating, fire, or explosion. The battery’s BMS further protects against unsafe conditions, ensuring safe operation even under demanding environments.
How Long Can You Expect the Cycle Life of a 12V 250Ah LiFePO4 Battery to Be?
This battery typically lasts over 4000 full charge-discharge cycles at 80% depth of discharge, translating to 10+ years of reliable service. Proper use and maintenance can extend its lifespan further, outperforming traditional lead-acid batteries significantly.
Which Applications Are Best Suited for 12V 250Ah LiFePO4 Batteries?
These batteries are ideal for:
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Solar energy storage systems
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Electric vehicles and golf carts
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Backup power for homes and businesses
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Marine and recreational vehicles
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Industrial equipment and off-grid applications
How Should You Properly Charge and Maintain a 12V 250Ah LiFePO4 Battery?
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Use a charger designed for LiFePO4 with a max charge voltage of 14.4-14.6V
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Avoid deep discharges below 10V
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Store in cool, dry conditions
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Regularly inspect terminals and connections
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Monitor battery health via BMS or compatible apps
How Does Internal Resistance Impact Battery Performance?
Internal resistance affects energy efficiency and heat generation. Lower internal resistance means less energy loss and better performance under high loads. LiFePO4 batteries typically have low internal resistance, contributing to their high efficiency and long lifespan.
Internal Resistance Comparison Chart
| Battery Type | Internal Resistance (mΩ) | Performance Impact |
|---|---|---|
| Lead Acid | 10-30 | Higher heat loss, lower efficiency |
| Li-ion (NMC/NCA) | 5-15 | Moderate heat loss, good efficiency |
| LiFePO4 (Redway ESS) | 2-8 | Low heat loss, excellent efficiency |
What Environmental Benefits Do LiFePO4 Batteries Offer?
LiFePO4 batteries are environmentally friendly because they:
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Contain no toxic heavy metals
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Are recyclable and have longer service lives, reducing waste
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Support renewable energy integration
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Have a lower carbon footprint compared to lead-acid batteries
How Does Redway ESS Ensure the Quality and Reliability of Their Batteries?
Redway ESS employs premium LiFePO4 cells, advanced BMS integration, and strict quality control protocols. Their batteries undergo rigorous testing for safety, performance, and durability. Certifications such as CE, RoHS, and UN38.3 ensure compliance with international standards. Redway ESS also offers customization and excellent after-sales support to guarantee customer satisfaction.
