Description
Our lithium battery manufacturer offers the 12V 120Ah LiFePO4 Battery (Group 31), a high – capacity energy solution using advanced LiFePO4 technology. It’s suitable for wholesale buyers and OEM customers.
Key Features
This lithium battery has several outstanding features. It has a High Energy Capacity with a nominal capacity of 120Ah and an energy output of 1536Wh, ideal for RVs, marine applications, and off – grid systems. The Extended Cycle Life of over 6000 cycles at 80% Depth of Discharge ensures long – term cost – effectiveness. The Built – in Battery Management System (BMS) protects against overcharging, over – discharging, and extreme temperatures. It operates efficiently in Versatile Operating Conditions from -20¡ãC to 65¡ãC and has a Compact and Lightweight Design with dimensions of 330 x 172 x 215 mm and a weight of about 13.5 kg.
Product Description
The 12V 120Ah LiFePO4 Battery (Group 31) is engineered for various applications like RVs, boats, and off – grid solar systems. It uses high – quality LiFePO4 cells with a nominal voltage of 12.8V and an energy capacity of 1536Wh.
The 12V 120Ah LiFePO4 battery offers a powerful combination of long lifespan and superior safety, making it ideal for solar energy, electric vehicles, and backup power systems. Equipped with an advanced Battery Management System (BMS), it prevents overcharge, over-discharge, and temperature extremes, ensuring reliable performance over thousands of cycles. Redway ESS provides premium, rack-mounted solutions designed for durability and eco-friendly energy storage.
What Is a 12V 120Ah LiFePO4 Battery and How Does It Work?
A 12V 120Ah LiFePO4 battery consists of lithium iron phosphate cells delivering a nominal voltage of 12.8 volts and capacity of 120 amp-hours (about 1536 watt-hours). It stores energy via lithium-ion movement between cathode and anode, offering stable voltage output, high energy density, and excellent thermal stability for safe, consistent power delivery.
How Does the Battery Management System (BMS) Protect and Optimize the Battery?
The BMS continuously monitors cell voltage, current, temperature, and state of charge to prevent overcharging, over-discharging, short circuits, and overheating. It balances cell voltages to maintain uniform performance, extends battery life, and safeguards against thermal runaway. Redway ESS integrates sophisticated BMS units with features like low-temperature charging cut-off and real-time monitoring for enhanced safety.
What Are the Key Advantages of LiFePO4 Batteries?
-
Long cycle life exceeding 3000–4000 cycles
-
High thermal and chemical stability reducing fire risk
-
Consistent voltage output throughout discharge
-
Lightweight and maintenance-free operation
-
Fast charging capability and low self-discharge rate
Which Applications Are Best Suited for 12V 120Ah LiFePO4 Batteries?
These batteries are perfect for:
-
Solar power storage systems
-
Electric vehicles and mobility devices
-
Backup power for homes and businesses
-
Marine and recreational vehicles
-
Industrial automation and robotics
How Long Can You Expect the Cycle Life of a 12V 120Ah LiFePO4 Battery to Be?
With proper care, the battery can deliver over 3000 to 4000 full charge-discharge cycles at 80% depth of discharge, equating to roughly 8–10 years of reliable use, far surpassing traditional lead-acid batteries.
How Should You Properly Charge and Maintain a 12V 120Ah LiFePO4 Battery?
-
Use a charger designed for LiFePO4 chemistry with max charge voltage around 14.6V
-
Avoid discharging below 10V to prevent damage
-
Store in cool, dry environments to preserve capacity
-
Regularly inspect connections and battery health via BMS or monitoring apps
-
Prevent charging below freezing temperatures to avoid lithium plating
How Does Internal Resistance Impact Battery Performance?
Low internal resistance in LiFePO4 batteries reduces energy loss and heat generation, improving efficiency and performance, especially under high load. This characteristic contributes to longer battery life and safer operation compared to other chemistries.
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 eco-friendly due to:
-
Absence of toxic heavy metals
-
Recyclability and longer lifespan reducing waste
-
Enabling renewable energy integration
-
Lower carbon footprint in production and operation
How Does Redway ESS Ensure the Quality and Reliability of Their Batteries?
Redway ESS combines premium lithium iron phosphate cells with advanced BMS technology and strict quality control. Their batteries undergo rigorous testing for safety, performance, and durability. Certifications such as CE, RoHS, and UN38.3 confirm compliance with international standards. Redway ESS also offers customization and dedicated after-sales support to ensure customer satisfaction.
