12V LiFePO4 Lithium Battery Manufacturer
The 12V (12.8V) LiFePO4 battery is a fundamental power source for industrial and commercial devices. Any instability in power delivery or improper system matching may lead to device reboot, data loss, or operational failure.
LARGE provides fully engineered 12V LiFePO4 battery solutions based on real-world application requirements. From cell selection to BMS design and system integration, we deliver optimized solutions including DC-DC compatibility (step-up / step-down), ensuring a stable, intelligent, and fully manageable power system.
Customer Pain Points
- In real applications, the battery is not just a power source—it directly affects system reliability:
- Inaccurate SOC estimation causing unexpected shutdowns
- No communication interface for battery monitoring
- Insufficient current during startup or load fluctuation
- Standard batteries unable to match mechanical or system requirements
Our Solution
We deliver fully integrated battery system design focused on stability and system intelligence:
- Improved SOC accuracy for reliable power status visibility
- Multi-protocol communication support (CAN / RS485 / SMBus)
- High-rate discharge capability for dynamic load conditions
- Fully customizable structure and system integration design
Technical Specifications
| Nominal Voltage | 12.8V |
| Capacity Range | 6Ah – 200Ah |
| Charge Voltage | 14.6V |
| Discharge Cut-off | 10.0V – 11.0V |
| Series Configuration | 4S (LiFePO4) |
| Discharge Rate | 0.5C – 3C |
| Cycle Life | ≥2000 cycles (@80% DOD) |
| Operating Temperature | -20°C ~ 60°C (standard) -40°C ~ 55°C (low-temp optional) |
Note:Stable output for medical, security and industrial devices / reliable SOC monitoring
Customizable for structure, capacity and BMS requirements.
12V LiFePO4 Lithium Battery Pack
The following are reference cases. Solutions can be flexibly customized according to specific application scenarios.
Application Fields of 12V LiFePO4 Lithium Batteries
Medical Devices
Ultrasound systems, CPAP machines, infusion pumps, patient monitors, medical beds
ISO 13485 compliant, low self-discharge, long cycle life, high safety
Security & Communication
Outdoor surveillance cameras, vibration detectors, inspection tools, gas detectors
Wide temperature operation, low maintenance, 24/7 backup power support
Instrumentation
Thermal imagers, water quality analyzers, total stations, multimeters
High-precision, low-ripple power supply for sensitive measurement systems
Robotics & AGV Systems
Service robots, industrial robots, inspection robots
High-rate discharge, accurate SOC feedback, fast charging support
Oil & Gas Industry
Portable gas detectors, explosion-proof communication devices, handheld terminals
Explosion-proof design, over-current and short-circuit protection
Power & Railway Inspection
Infrared thermometers, rail defect detectors, handheld inspection devices
High reliability, anti-vibration, strong EMI resistance
Looking for a Battery Solution for Your Device?
We provide fully customized engineering support for your application needs.
Importance of Smart BMS & Power Management
Why do devices shut down unexpectedly?
Many systems still rely on voltage-based battery estimation. At mid-to-low charge levels, voltage becomes unstable and inaccurate, leading to false “remaining power” readings and sudden shutdowns during operation.
Common Issues
Inaccurate battery level display
No early low-power warning
Lack of system-level battery visibility
Device reboot under load fluctuations
Our Solution
We upgrade the battery from a passive power unit into an intelligent energy management system:
High-precision SOC estimation (error < 3%)
More accurate remaining power calculation prevents unexpected shutdowns
Communication-enabled BMS (CAN / RS485 / SMBus)
Real-time battery status monitoring and system integration
Stable load response
Supports startup and peak current demands, reducing voltage drop and reboot risk
Smart energy management strategy
Low-power warning and protection logic for safer operation
Summary
With intelligent BMS and accurate SOC control, the battery becomes not just a power source—but a system-level energy management component, significantly improving reliability and operational safety.
Related Lithium Battery Voltages
12V LiFePO4 Lithium Battery FAQs
Can the 12V LiFePO4 battery be customized?
Yes. Capacity, structure, BMS functions, communication protocols (CAN / RS485 / SMBus), and discharge rate can all be customized.
What is the typical lead time?
Sample: 15–20 days
Custom design: 25–40 days
Mass production: 20–45 days
(depending on complexity and materials)
Can it directly replace lead-acid batteries?
In most cases, yes. We can match dimensions, terminals, and charging parameters to ensure seamless replacement. BMS tuning is also available if needed.
Can multiple batteries be connected in series (24V / 48V)?
Direct series connection is not recommended due to balancing and safety risks.
We recommend designing dedicated 24V / 48V systems for better stability and safety.
What is a 12V LiFePO4 battery?
A lithium iron phosphate battery system with a nominal voltage of 12.8V (4S configuration), widely used in industrial, medical, and security applications.
How many cells are in a 12V LiFePO4 battery?
Typically 4 cells in series (4S), each with 3.2V nominal voltage.
How low can it be discharged?
Usually down to 10.0V–11.0V. The BMS will cut off discharge before reaching unsafe levels to protect battery life.
How should it be charged?
Use a dedicated LiFePO4 charger (CC/CV mode).
Standard charging voltage: 14.6V
Recommended current: 0.2C–1C depending on capacity.
Get Your Custom 12V LiFePO4 Battery Solution
Looking for a stable and reliable power solution for your device?
We provide end-to-end LiFePO4 battery customization from design to mass production.
We provide end-to-end LiFePO4 battery customization from design to mass production.