Description
Product Overview
Our lithium battery manufacturer offers advanced 12V 300Ah LiFePO4 Battery (Cylindrical Cell) solutions. Ideal for OEM and wholesale buyers, these batteries provide high capacity, long lifespan, and smart features.
Key Features
- High Capacity: With a nominal voltage of 12.8V and 300Ah capacity, it powers off – grid, RV, marine, and solar systems.
- Long Lifespan: Exceeds 5000 cycles at 80% DoD, ensuring cost – effectiveness over time.
- Smart Connectivity Options: Optional Bluetooth for real – time monitoring of voltage, current, and state of charge.
- Robust Safety Features: An intelligent BMS protects against overcharging, over – discharging, and extreme temperatures.
- Durable Construction: IP65 rated for dust and water resistance, reliable in various environments.
Product Description
The 12V 300Ah LiFePO4 Battery (Cylindrical Cell) is engineered for reliable energy storage. Key specifications include a 12.8V nominal voltage, 3840Wh energy output, approximately 28 kg (62 lbs) weight, and dimensions of 532 x 235 x 207 mm (20.9 x 9.25 x 8.15 inches). It has an operating temperature range of 0¡ãC – 60¡ãC for charging and – 20¡ãC – 65¡ãC for discharging. With a maximum continuous charge current of 100A and peak discharge current of 300A, it suits high – demand situations. The durable ABS casing offers fire – resistant protection, and the self – discharge rate is only 3% per month.
The 12V 300Ah LiFePO4 battery is a high-capacity, long-lasting lithium iron phosphate battery designed for reliable, efficient energy storage. Featuring advanced battery management systems, it offers over 4000 deep charge cycles with superior safety and performance. 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 300Ah LiFePO4 Battery and How Does It Work?
A 12V 300Ah LiFePO4 battery contains lithium iron phosphate cells configured to provide a nominal voltage of 12.8 volts and a capacity of 300 amp-hours, delivering approximately 3840 watt-hours of energy. It stores and releases energy through 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 300Ah LiFePO4 Battery?
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Nominal Voltage: 12.8V
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Capacity: 300Ah (3840Wh)
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Cycle Life: Over 4000 cycles at 80% depth of discharge
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Max 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: Approx. 39-40 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 Long Can You Expect the Cycle Life of a 12V 300Ah 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 by a wide margin.
What Safety Features Does LiFePO4 Chemistry Offer?
LiFePO4 chemistry is renowned for its thermal and chemical stability, minimizing risks of overheating, fire, or explosion. The battery’s integrated BMS further protects against overcharge, over-discharge, short circuits, and temperature extremes, ensuring safe operation even under demanding conditions.
How Does the Battery Management System (BMS) Protect and Optimize the Battery?
The BMS continuously monitors voltage, current, temperature, and state of charge, preventing unsafe conditions such as overvoltage, undervoltage, and thermal overload. It balances cell voltages to maintain uniform performance and prolong battery life. Redway ESS incorporates advanced BMS technology with options for Bluetooth and CAN communication for real-time monitoring.
Which Applications Are Best Suited for 12V 300Ah LiFePO4 Batteries?
These batteries excel in:
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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 300Ah 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 Provide?
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.
