Description
- High Energy Capacity: The 12V 120Ah LiFePO4 battery provides a substantial nominal capacity of 120Ah, translating to an energy output of 1536Wh. This makes it an excellent choice for various applications, including RVs, marine use, and off-grid solar systems.
- Extended Cycle Life: This battery is engineered for durability, offering over 6000 cycles at an 80% Depth of Discharge (DoD). This ensures long-lasting performance and cost-effectiveness for wholesale buyers seeking reliable energy solutions.
- Advanced Battery Management System (BMS): Featuring a sophisticated BMS, this battery safeguards against overcharging, over-discharging, and extreme temperatures, enhancing safety and reliability for OEM and ODM clients.
- Versatile Operating Conditions: The battery operates efficiently in a wide temperature range of -20°C to 65°C, making it suitable for diverse environments. This adaptability is crucial for businesses looking to deploy these batteries in various settings.
- Compact and Lightweight Design: With dimensions of 330 x 172 x 215 mm and a weight of approximately 13.5 kg, this battery is designed for easy installation and transport, appealing to manufacturers and suppliers in the B2B market.
Product Description
The 12V 120Ah LiFePO4 Battery (Group 31) is meticulously crafted to fulfill the energy needs of multiple applications such as recreational vehicles (RVs), boats, and off-grid solar systems. Utilizing high-quality Lithium Iron Phosphate cells, this battery boasts a nominal voltage of 12.8V and an impressive energy capacity of 1536Wh.Key specifications include:
- Nominal Voltage: 12.8V
- Nominal Energy Output: 1536Wh
- Weight: Approximately 13.5 kg
- Dimensions: 330 x 172 x 215 mm (13.0 x 6.8 x 8.5 inches)
This battery is designed to operate efficiently under varying conditions; it can be charged in temperatures from 0°C to 60°C and discharged between -20°C and 65°C. Its low self-discharge rate of just 1.5% per month allows for prolonged storage without significant capacity loss.With maximum continuous charge and discharge currents of up to 100A, this battery can meet substantial power demands effectively. The durable ABS casing not only provides fire-resistant protection but also contributes to the overall longevity of the product.For OEM/ODM partners, extensive customization options are available, including silk-screen labeling and tailored user manuals. Our flexible delivery terms (FOB, EXW, CIF) ensure prompt processing of orders within a timeframe of just 20 days.Choose the 12V 120Ah LiFePO4 Battery (Group 31) for superior performance and reliability in your energy storage solutions. Partner with us to elevate your power capabilities—your journey towards efficient energy begins here!
A 12V 120Ah LiFePO4 battery offers deep cycle capability and high performance through advanced lithium iron phosphate chemistry, delivering over 4000 cycles at 80% depth of discharge. Featuring a robust Battery Management System (BMS), fast charging, and superior safety, it provides reliable, efficient, and durable power for marine, RV, solar, and backup applications.
What are the key features of a 12V 120Ah LiFePO4 deep cycle battery?
This battery provides a nominal voltage of 12.8V and a capacity of 120Ah, storing approximately 1536Wh of energy. It supports continuous discharge currents of 100A and peak currents up to 200A. The battery is lightweight (around 13.5 kg), compact (approximately 329 x 172 x 214 mm), and housed in a durable ABS or flame-retardant plastic casing with IP54 to IP67 protection. Integrated BMS safeguards against overcharge, over-discharge, short circuits, and temperature extremes.
How does the Battery Management System (BMS) ensure safety and longevity?
The BMS continuously monitors cell voltages, current, temperature, and state of charge to prevent unsafe conditions such as overcharging, deep discharge, overheating, and short circuits. It balances cell voltages to maximize usable capacity and extend battery life. Advanced BMS units offer communication protocols like CAN bus, RS485, and Bluetooth for real-time monitoring and diagnostics.
Why is LiFePO4 chemistry ideal for deep cycle and high performance?
LiFePO4 chemistry offers superior thermal stability, safety, and long cycle life exceeding 4000 cycles at 80% depth of discharge. It maintains stable voltage output and resists thermal runaway, making it safer and more reliable than lead-acid batteries. Its low self-discharge rate and fast charging capabilities further enhance performance.
What are the typical applications for a 12V 120Ah LiFePO4 battery?
Ideal for marine vessels, recreational vehicles (RVs), solar energy storage, off-grid power systems, backup power, and other applications requiring reliable, deep cycle, and high-performance 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 200A. These parameters enable fast charging and high power delivery.
Charging and Discharging Specifications
| Specification | Value |
|---|---|
| Nominal Voltage | 12.8V |
| Nominal Capacity | 120Ah |
| Nominal Energy | 1536Wh |
| Continuous Discharge | 100A |
| Peak Discharge Current | 200A |
| Standard Charging Current | 50A |
| Full Charge Voltage | 14.6V |
| Discharge Cut-off Voltage | 10V |
| Cycle Life | >4000 cycles @ 80% DoD |
| Operating Temperature | Charge: 0°C to 55°C |
| Discharge: -20°C to 60°C | |
| Protection Rating | IP54 to IP67 |
| Weight | ~13.5 kg |
How does temperature affect battery life and safety?
The battery operates reliably within a broad temperature range. Charging is recommended between 0°C and 55°C, while discharge can occur from -20°C to 60°C. The BMS actively manages temperature to prevent overheating and thermal runaway, ensuring safety and longevity.
How scalable is the 12V 120Ah 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 proper charging protocols, avoiding deep discharges, and monitoring battery health via BMS. 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 120Ah 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.
