12V 120Ah LiFePO4 Battery

• Cell: LiFePO4
• MOQ: 50
• Delivery: 20 Days
• Customizable / OEM / ODM: Yes
• Factory: Redway, Dongguan, Guangdong, China
• Delivery Terms: FOB, EXW, CIF
• Payment: T/T, L/C, PayPal
• Sea / Air / Land Shipment: 10FT, 20FT, 40FT, 60FT

Description

Our 12.8V 120Ah LiFePO4 Battery combines advanced lithium technology with industrial-grade durability, designed for high-performance energy storage and demanding applications. With a compact BCI Group 31 footprint, 10-year design life, and OEM-friendly customization, this lithium battery delivers 1536Wh of reliable power while meeting global certifications like UL 1642 and IEC 62619.

Key Features

High Energy Density & Longevity: Achieve over 5,000 cycles at 80% depth of discharge, outperforming traditional lead-acid batteries.
Extreme Temperature Resilience: Operate seamlessly from -20¡ãC to 65¡ãC with optional self-heating for cold environments.
Rapid Charging & Discharging: Support 100A continuous current for fast energy transfer.
IP65 Protection: Dustproof and waterproof design for harsh environments.
Scalable Power: Parallel up to 6 units for expanded capacity.
Smart Integration: Optional Bluetooth, 4G, GPS, and LCD displays for real-time monitoring.

Product Description

Engineered for commercial and industrial users, this LiFePO4 battery features a lightweight ABS shell (23 lbs) and M8 terminals for easy installation. Its integrated JBD/DALY BMS ensures overvoltage, short-circuit, and thermal protection. OEM partners can tailor upgrades like solar MPPT, active balancing, or custom branding.

The 12V 120Ah LiFePO4 battery offers high energy density, long cycle life, and advanced safety features, making it ideal for applications such as RVs, marine, solar storage, and electric vehicles. Its lightweight design, integrated Battery Management System (BMS), and fast charging capabilities ensure reliable, maintenance-free performance and efficient energy delivery.

What Are the Key Specifications of the 12V 120Ah LiFePO4 Battery?

This battery typically has a nominal voltage of 12.8V and a capacity of 120Ah, providing approximately 1,536Wh of usable energy. It supports continuous discharge currents of 100-120A and peak discharge currents up to 300A for short bursts. The battery weighs around 14 to 15.6 kg and measures approximately 260 x 180 x 276 mm (Group size GC2/GC8). It features an integrated BMS that protects against overcharge, over-discharge, short circuits, overcurrent, and temperature extremes. The battery offers a cycle life exceeding 3,500 cycles at 80% depth of discharge and is rated IP67 for waterproofing and dust resistance.

How Does the 12V 120Ah LiFePO4 Battery Enhance Performance in RVs and Marine Applications?

The battery’s high energy density and stable voltage output enable longer run times and consistent power delivery for RV appliances, marine electronics, and trolling motors. Its lightweight design reduces vehicle weight, improving fuel efficiency and handling. The flat discharge curve ensures optimal performance throughout the charge cycle, while the integrated BMS safeguards battery health and safety, minimizing downtime and maintenance.

Why Is LiFePO4 Technology Preferred Over Lead-Acid Batteries?

LiFePO4 batteries offer multiple advantages:

  • Longer Lifespan: Over 3,500 cycles compared to 300-500 cycles for lead-acid.

  • Lighter Weight: Approximately 60% lighter, reducing load and improving efficiency.

  • Faster Charging: Supports higher charge currents for quicker recharge.

  • Enhanced Safety: Stable chemistry minimizes risk of thermal runaway.

  • Maintenance-Free: No watering or equalization needed.

  • Wide Temperature Range: Performs reliably in extreme temperatures.
    These benefits translate into lower total cost of ownership and improved reliability.

Which Applications Are Best Suited for the 12V 120Ah LiFePO4 Battery?

Ideal uses include:

  • Recreational vehicles (RVs) and camper vans.

  • Marine boats and trolling motors.

  • Solar energy storage and off-grid power systems.

  • Electric vehicles and golf carts.

  • Backup power and UPS systems.
    Its versatility and robust design make it suitable for a broad range of applications.

How Does the Battery Management System (BMS) Protect and Optimize the Battery?

The integrated BMS continuously monitors voltage, current, temperature, and state of charge to prevent overcharging, over-discharging, short circuits, and overheating. It balances individual cells to maintain uniform performance and prolong battery life. Advanced BMS units provide communication protocols such as CAN, RS485, or Bluetooth for real-time monitoring and diagnostics.

What Are the Physical Dimensions, Weight, and Durability Features?

The battery measures approximately 260 x 180 x 276 mm and weighs between 14 and 15.6 kg. It is housed in a durable ABS plastic casing with an IP67 waterproof rating, suitable for outdoor and marine environments. The robust construction ensures resistance to vibration, impact, and environmental factors.

How Long Does the 12V 120Ah LiFePO4 Battery Last?

With proper use and maintenance, this battery can deliver over 3,500 full charge-discharge cycles, equating to 10-15 years of service life. Its low self-discharge rate allows for long storage without significant capacity loss, making it reliable for seasonal or intermittent use.

Can the 12V 120Ah LiFePO4 Battery Be Customized?

Yes, Heated Battery offers customization options including terminal types, communication protocols, casing materials, and additional features like self-heating modules and LCD displays. These options allow tailoring the battery to specific operational requirements.

How Does Temperature Affect Performance and Safety?

The battery operates efficiently between -20°C and 60°C, with charging recommended above 0°C to maintain cell health. Self-heating modules can extend operation and charging capabilities in colder environments. The stable LiFePO4 chemistry combined with BMS protections ensures safe and reliable performance across temperature extremes.

What Maintenance Is Required for the 12V 120Ah LiFePO4 Battery?

Maintenance is minimal. Users should keep terminals clean and tight, avoid deep discharges beyond recommended limits, store the battery in a cool, dry place when not in use, and use chargers compatible with LiFePO4 chemistry. Regular monitoring through the BMS or connected apps helps maintain optimal battery health.

Heated Battery Expert Views

“The 12V 120Ah LiFePO4 battery is a robust and efficient power solution for RV, marine, and solar applications. Heated Battery’s integration of advanced BMS technology and customizable features ensures safety, longevity, and user-friendly monitoring. Its lightweight design and durability make it a reliable choice for demanding environments and long-term use.” — Senior Battery Engineer, Heated Battery

Conclusion: Key Takeaways and Recommendations

The 12V 120Ah LiFePO4 battery offers superior safety, long cycle life, and excellent energy density. Its lightweight, compact design and integrated BMS make it ideal for RVs, marine vessels, solar storage, and backup power. Heated Battery’s customization options provide tailored solutions to meet diverse needs. Investing in this battery ensures reliable, efficient, and maintenance-free energy storage for years.

Specifications

Specifications
Lithium Cell LiFePO4 (LFP)
Nominal Voltage 12.8V
Nominal Capacity 120Ah
Nominal Energy 1536Wh
Max Charge Voltage 14.6V
Discharge Cut-off Voltage 10V
Max Continues Charge Current 100A
Max Continues Discharge Current 100A
Dimensions [L x W x H] 330 x 172 x 215 mm / 13 x 6.8 x 8.5 inches / BCI Group 31
Weight 10.5 kg / 23 lbs
IP Rating IP65
Max Parallel Connections 6
Cycle Life >5000 cycles (80% DOD 0.5C)
Self-Discharge 3% (per month)
Charge Temperature 0°C ~ 60°C
Discharge Temperature -20°C ~ 65°C
BMS JBD / DALY BMS Protection
Optional Upgrades Self-heating / Bluetooth / App / 4G / GPS / WiFi / RS485 / RJ45 / SOC LCD Display / Circuit Breaker / Power Switch / Cooling Fan / Battery Internal Cell Fixation Metal Bracket / Active Balance / Solar MPPT / etc.
Normal Charger / Fast Charger Optional
Terminal M8
Battery Shell ABS
Design Life 10 Years
Warranty 3 Years
Label / Silkscreen / Laser Logo Yes
User Manual Yes
OEM Yes
Shipment Yes
Certifications UL 1642 / IEC 62619 / CE / UN38.3 / MSDS
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