Description
Overview
The 12.8V 120Ah LiFePO4 Battery is a high-performance lithium iron phosphate (LFP) battery designed for energy storage, marine, RV, and off-grid applications. Offering a nominal energy of 1536Wh and an extended cycle life of over 5000 cycles, this battery provides reliable and efficient power with advanced safety features.
Key Features
- High Energy Density: 1536Wh of stored energy for sustained power needs.
- Long Cycle Life: Over 5000 cycles at 80% Depth of Discharge (DOD), ensuring long-term use.
- Smart BMS Protection: Integrated JBD/DALY BMS for overcharge, overdischarge, and short-circuit protection.
- Compact & Lightweight: Weighing just 10.5 kg (23 lbs) with BCI Group 31 dimensions for easy installation.
- IP65 Protection: Dustproof and water-resistant for enhanced durability.
- Scalability: Supports up to 6 parallel connections for expanded energy storage.
- Versatile Temperature Range: Operates in temperatures from -20°C to 65°C for discharge and 0°C to 60°C for charging.
- Optional Smart Features: Bluetooth, GPS, 4G, Wi-Fi, and LCD display for real-time monitoring.
Applications
The 12.8V 120Ah LiFePO4 Battery is suitable for:
- Solar Energy Storage
- Marine & RV Power Systems
- Backup Power Solutions
- Electric Vehicles (EVs) & Golf Carts
- Off-Grid and Industrial Applications
Product Description
The 12.8V 120Ah LiFePO4 Battery is engineered for high efficiency, superior safety, and long lifespan. Designed with high-quality lithium iron phosphate cells, it delivers consistent power while ensuring minimal maintenance. Its built-in smart BMS provides advanced protection against overcurrent, short circuits, and extreme temperatures.
With an IP65-rated ABS shell, the battery is durable against environmental factors, making it ideal for outdoor and mobile applications. Its compact BCI Group 31 form factor ensures compatibility with various power systems.
Additional Features
- Low Self-Discharge: Only 3% per month for long-term energy retention.
- Customizable Features: Optional Bluetooth, Wi-Fi, RS485, and smart monitoring upgrades.
- Fast Charging Compatibility: Works with standard and fast chargers.
- Environmentally Friendly: 100% maintenance-free, non-toxic, and recyclable.
Why Choose the 12.8V 120Ah LiFePO4 Battery?
Designed for long-lasting reliability, the 12.8V 120Ah LiFePO4 Battery offers excellent performance, safety, and efficiency. Whether you need a durable solution for solar energy storage, RV power, or marine applications, this battery provides an ideal combination of power, longevity, and smart features.
How Does a 12V 120Ah LiFePO4 Battery Deliver Reliable Power?
A 12V 120Ah LiFePO4 battery delivers approximately 1.54 kWh of energy, offering high efficiency, long cycle life, and advanced safety features. It is ideal for solar systems, marine applications, RVs, and electric vehicles, providing reliable power with smart BMS protection and Bluetooth monitoring.
What are the key specifications of a 12V 120Ah LiFePO4 battery?
This battery features a nominal voltage of 12.8V and a capacity of 120Ah, delivering about 1.54 kWh of energy. Typical dimensions are approximately 328 x 171 x 215 mm, weighing around 15.5 kg. It supports continuous discharge currents up to 120A and peak currents up to 150A for short bursts. The battery uses high-quality cylindrical LiFePO4 cells with low internal resistance. The casing is ABS plastic with an IP65 to IP67 rating. Communication options include RS485, CAN bus, and Bluetooth. The integrated Battery Management System (BMS) offers overcharge, over-discharge, short circuit, and temperature protection.
How long can a 12V 120Ah LiFePO4 battery last on a single charge?
Depending on load and usage, this battery can last 6 to 12 hours. For example, at a continuous draw of 30A, it provides about 4 hours of operation (120Ah ÷ 30A). Runtime varies with terrain, speed, and load.
What advantages do LiFePO4 batteries offer over traditional lead-acid batteries?
LiFePO4 batteries are lighter, have higher energy density, longer cycle life (3000-5000 cycles at 80% depth of discharge), faster charging, and superior thermal stability. They require less maintenance, have enhanced safety features, and provide more usable capacity than lead-acid batteries.
How does the Battery Management System (BMS) improve safety and performance?
The BMS continuously monitors voltage, current, temperature, and state of charge, protecting the battery from overcharge, over-discharge, overheating, and short circuits. It balances cell voltages, extends battery life, and triggers alarms or shutdowns under unsafe conditions.
What are the optimal charging and discharging parameters for this battery?
Charging is recommended between 0°C and 45°C with a maximum charge current of 120A. Discharging is effective from -20°C to 45°C, supporting continuous discharge currents up to 120A and peak currents up to 150A.
How long is the typical lifespan and cycle life of a 12V 120Ah LiFePO4 battery?
This battery typically offers 3000 to 5000 cycles at 80% depth of discharge, translating to a lifespan of 8 to 10 years, significantly longer than lead-acid batteries.
What applications are best suited for a 12V 120Ah LiFePO4 battery?
Ideal for solar energy storage, marine vessels, RVs, electric vehicles, portable power stations, and industrial equipment, this battery delivers reliable, lightweight, and maintenance-free power.
How does Bluetooth or communication protocol enhance battery monitoring?
Integrated Bluetooth and communication protocols like RS485 and CAN bus enable real-time monitoring of battery health, voltage, current, and temperature via mobile apps or remote systems, enabling proactive maintenance.
What benefits does the cylindrical cell design provide?
Cylindrical cells offer high energy density, excellent thermal management, mechanical robustness, and ease of assembly, contributing to battery longevity and safety.
How does the battery’s IP rating affect durability and reliability?
An IP65 to IP67 rating ensures protection against dust and water ingress, enhancing durability and reliability in harsh environments, including marine and outdoor applications.
Chart 1: Battery Cycle Life and Runtime Comparison
| Battery Type | Cycle Life (Cycles) | Typical Runtime (Hours) | Weight (kg) | Energy Capacity (kWh) |
|---|---|---|---|---|
| LiFePO4 12V 120Ah | 3000 – 5000 | 6 – 12 | 15.5 | 1.54 |
| Lead-Acid 12V 120Ah | 1000 – 1500 | 3 – 6 | 30+ | ~1.4 |
Chart 2: Operating Temperature Range and IP Rating Benefits
| Feature | Specification | Benefit |
|---|---|---|
| Operating Temp. | -20°C to 45°C | Reliable in diverse climates |
| IP Rating | IP65 – IP67 | Dust and water resistant |
