Description
Introducing the 12V 120Ah LiFePO4 Battery (Cylindrical Cell), a high-performance energy storage solution manufactured in China, specifically designed for OEM, ODM, and wholesale buyers. This advanced battery utilizes Lithium Iron Phosphate (LiFePO4) technology with cylindrical cells, delivering a nominal energy output of 1536Wh. It is ideal for demanding applications such as RVs, marine systems, and renewable energy storage.
Key Features
- High Capacity: This battery provides a nominal voltage of 12.8V and a capacity of 120Ah, ensuring a reliable power supply for various applications including recreational vehicles and off-grid systems.
- Long Cycle Life: Designed to exceed 5000 cycles at 80% Depth of Discharge (DoD), this battery offers outstanding longevity and cost-effectiveness, significantly reducing the total ownership costs compared to traditional lead-acid batteries.
- Smart Connectivity Options: Optional features include Bluetooth integration for real-time monitoring of voltage, current, and state of charge, providing users with valuable insights into battery performance.
- Robust Safety Features: Equipped with an intelligent Battery Management System (BMS), this battery protects against overcharging, over-discharging, and temperature extremes, ensuring safe operation in various conditions.
- Durable Construction: With an IP65 rating for dust and water resistance, this battery is built to perform reliably in outdoor and marine environments.
Product Description
The 12V 120Ah LiFePO4 Battery is engineered to meet the high energy demands of applications such as RVs, boats, off-grid solar systems, and backup power solutions. With a nominal voltage of 12.8V, it provides stable performance across a wide range of uses.
A 12V 120Ah LiFePO4 battery with cylindrical cell power offers high capacity, long cycle life, and robust safety features by utilizing advanced lithium iron phosphate chemistry and durable cylindrical cells. With over 4000 cycles at 80% depth of discharge, integrated Battery Management System (BMS), and fast charging capabilities, it ensures reliable, efficient power for marine, RV, solar energy, and backup applications.
What are the key features of the 12V 120Ah LiFePO4 cylindrical cell battery?
This battery delivers a nominal voltage of 12.8V and a capacity of 120Ah, providing approximately 1536Wh of energy. It supports continuous discharge currents of up to 100A and peak discharge currents of 200A. The battery weighs around 13.5 kg and measures approximately 329 x 172 x 214 mm. It features a built-in BMS that protects against overcharge, over-discharge, short circuits, and temperature extremes, with optional Bluetooth or CAN communication for monitoring.
How does the cylindrical cell design enhance battery performance?
Cylindrical cells offer superior thermal management due to uniform heat dissipation and mechanical robustness, reducing hotspots and improving safety. Their standardized shape allows efficient packing and better durability compared to prismatic or pouch cells, contributing to consistent performance and longer lifespan.
Why is LiFePO4 chemistry preferred for high capacity and long life batteries?
LiFePO4 chemistry provides excellent thermal stability, safety, and an extended cycle life exceeding 4000 cycles at 80% depth of discharge. It maintains stable voltage output, resists thermal runaway, and has a low self-discharge rate, outperforming traditional lead-acid batteries in efficiency and longevity.
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, high-capacity, and long-lasting batteries.
How does the Battery Management System (BMS) ensure safety and longevity?
The integrated 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 capacity and extend battery life. Advanced BMS units offer communication protocols like Bluetooth and CAN bus for real-time monitoring and diagnostics.
What are the charging and discharging specifications?
Typical charging voltage ranges from 14.0V to 14.6V with a float voltage of 13.5V to 13.7V. The maximum charge current is around 100A, while continuous discharge current is about 100A with peak discharge currents up to 200A. The battery operates efficiently between -20°C and 65°C.
Charging and Discharging Specifications
| Specification | Typical Value |
|---|---|
| Nominal Voltage | 12.8V |
| Nominal Capacity | 120Ah |
| Nominal Energy | 1536Wh |
| Continuous Discharge | 100A |
| Peak Discharge Current | 200A |
| Charge Voltage | 14.0 – 14.6V |
| Float Voltage | 13.5 – 13.7V |
| Cycle Life | >4000 cycles @ 80% DoD |
| Operating Temperature | -20°C to 65°C |
| Weight | ~13.5 kg |
How does temperature affect battery performance and lifespan?
The battery maintains stable performance across a wide temperature range. Charging is recommended between 0°C and 55°C, while discharge can occur from -20°C to 65°C. The BMS and cylindrical cell design help mitigate thermal risks, ensuring safety and longevity.
How can multiple 12V 120Ah batteries be connected for larger systems?
Batteries can be connected in series to increase voltage or in parallel to increase capacity. Proper BMS coordination and system design ensure balanced charging and discharging, preventing premature degradation.
What maintenance is required to maximize battery life?
Minimal maintenance is needed, including terminal cleaning, proper charging, 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 cylindrical cell LiFePO4 batteries?
OEM-Lithium-Batteries provides customized 12V 120Ah LiFePO4 batteries with cylindrical cells, advanced BMS, rugged construction, and smart connectivity options. Their expert team ensures seamless integration, reliable operation, and comprehensive after-sales service.
