Description
Our 12V 120Ah LiFePO4 Battery (Group 31) is a premium lithium power solution engineered for demanding applications. As an innovative lithium battery manufacturer, we deliver OEM-ready energy storage systems that combine high capacity, extended lifespan, and robust safety features for commercial users.
Key Features
1536Wh Energy Density: Lithium iron phosphate chemistry provides 120Ah capacity (12.8V) with 100% usable discharge capacity, outperforming lead-acid equivalents by 300% cycle efficiency.
Military-Grade Durability: 6,000+ cycles at 80% DoD with <2% annual capacity loss, engineered for 10+ year service life in marine/RV applications.
Smart BMS Protection: 15-layer safety system prevents overcharge (¡Ü14.6V), deep discharge (¡Ý10V), and thermal runaway (-20¡ãC to 65¡ãC operational range).
Space-Optimized Design: Compact Group 31 footprint (330¡Á172¡Á215mm) with 13.5kg weight simplifies retrofitting in existing equipment racks.
Product Description
This OEM-focused lithium battery delivers 150A continuous/300A peak current for marine thrusters, RV inverters, and solar storage systems. The modular architecture supports parallel connections up to 4S4P configurations for 48V/480Ah systems. Proprietary cell balancing technology maintains <50mV voltage differential across 4000+ cycles, while IP67-rated casing withstands saltwater corrosion and vibration impacts.
As a certified lithium battery manufacturer, we offer white-label customization including:
– Bluetooth-enabled BMS with SOC monitoring
– Terminal types (M8/M10 studs or SAE posts)
– Heated battery options (-35¡ãC charging capability)
How Does a 12V 120Ah High Capacity LiFePO4 Battery Power Your Energy Needs?
A 12V 120Ah high capacity LiFePO4 battery delivers robust, long-lasting power with exceptional safety and efficiency. It offers over 4000 cycles, fast charging, and a lightweight design, making it ideal for renewable energy, electric vehicles, and backup systems. Integrated BMS ensures protection and optimal performance, providing reliable energy storage for diverse applications.
What are the specifications of a 12V 120Ah high capacity LiFePO4 battery?
A standard 12V 120Ah LiFePO4 battery has a nominal voltage of 12.8V and a capacity of 120 amp-hours, equating to approximately 1536 watt-hours of energy. It typically supports a continuous discharge current of 100A and a peak discharge current up to 200A. Charging current ranges around 50-100A depending on the model. The battery weighs between 13.5kg to 16kg and measures roughly 33cm x 17cm x 21cm. It features an internal Battery Management System (BMS) for safety and performance control.
Specifications Comparison of 12V 120Ah LiFePO4 Battery
| Feature | Typical Value |
|---|---|
| Nominal Voltage | 12.8 V |
| Capacity | 120 Ah |
| Energy | 1536 Wh |
| Continuous Discharge | 100 A |
| Peak Discharge | 200 A |
| Max Charge Current | 50-100 A |
| Cycle Life | 4000+ cycles |
| Weight | 13.5 – 16 kg |
| Dimensions (LxWxH) | ~33 x 17 x 21 cm |
How long does a 12V 120Ah LiFePO4 battery typically last?
These batteries offer an impressive cycle life exceeding 4000 full charge-discharge cycles at 80% depth of discharge, translating to 10 years or more of service under typical usage. The LiFePO4 chemistry is highly stable, and the integrated BMS prevents conditions that accelerate degradation, ensuring longevity far beyond traditional lead-acid batteries.
What safety features and protections does the battery provide?
The battery includes multiple safety mechanisms such as overcharge and over-discharge protection, short circuit prevention, overcurrent and temperature monitoring. The LiFePO4 chemistry itself is inherently stable and less prone to thermal runaway or combustion. Certifications like IEC 62619 and UN38.3 attest to its compliance with international safety standards.
How does the battery management system (BMS) improve performance and safety?
The BMS continuously monitors cell voltage, current, and temperature to balance the cells and prevent damage. It cuts off charging or discharging if unsafe conditions arise, such as overvoltage, undervoltage, or overheating. This system enhances safety, extends battery life, and provides real-time data for user monitoring.
What are the recommended charging and discharging parameters?
Charging voltage typically ranges from 14.4V to 14.6V, with maximum charge currents between 50A and 100A depending on the battery design. Discharge cut-off voltage is usually set around 10V to 10.5V to protect the battery from deep discharge damage. Operating temperature ranges are generally 0°C to 45°C for charging and -20°C to 60°C for discharging.
What applications benefit most from a 12V 120Ah LiFePO4 battery?
This battery is ideal for renewable energy storage in solar and wind systems, electric vehicles such as golf carts and boats, backup power for critical infrastructure, and off-grid power solutions. Its high capacity and fast charge capability make it suitable for applications requiring reliable, sustained energy delivery.
How does the high capacity of 120Ah affect battery performance?
The 120Ah capacity provides extended runtime and higher energy availability, reducing the frequency of recharges. It supports higher continuous and peak current draws, enabling power-hungry devices and systems to operate efficiently. This capacity also allows for deeper discharges without harming battery health, maximizing usable energy.
What environmental benefits do LiFePO4 batteries offer?
LiFePO4 batteries are free from toxic heavy metals like lead or cadmium, making them more environmentally friendly and easier to recycle. Their long cycle life reduces waste and resource consumption. Additionally, their stable chemistry minimizes fire risks and hazardous emissions compared to other lithium-ion chemistries.
How should users maintain and optimize the lifespan of their battery?
Users should avoid deep discharges below the recommended cut-off voltage, charge within specified voltage and temperature ranges, and store the battery in cool, dry conditions. Regular monitoring via the BMS or compatible apps helps detect issues early. Using a quality charger and avoiding extreme temperatures will prolong battery life.
What are the physical dimensions and weight of a typical 12V 120Ah LiFePO4 battery?
Most 12V 120Ah LiFePO4 batteries measure approximately 33cm in length, 17cm in width, and 21cm in height, weighing between 13.5kg and 16kg. This compact and lightweight design facilitates easy integration into various systems without sacrificing power or performance.
