12.8V 300Ah LiFePO4 Battery
12.8V 300Ah LiFePO4 Battery is a high-capacity lithium iron phosphate battery pack designed for lead acid replacement, RV power systems, marine power supply, solar energy storage, backup power, and off-grid applications. With 3840Wh nominal energy, 200A continuous charge and discharge current, 400A peak discharge current for 10 seconds, IP64 protection, and over 3000 cycles, it provides stable and efficient power output for demanding 12V deep cycle battery applications.
Key Features:
- Model: FT-12300
- Nominal Voltage: 12.8V
- Nominal Capacity: 300Ah
- Nominal Energy: 3840Wh
- Charging Voltage: 14.6V
- Discharge Voltage: 12V
- Charge Current: 200A
- Discharge Current: 200A
- Max. Discharge Current: 400A / 10S
- Max Discharge Power: 3000W
- Cycle Life: ≥3000 cycles
- IP Class: IP64
- Dimensions: L520 × W269 × H220 mm
- Weight: 36kg
- Certificates: CE, FCC, UN38.3, MSDS
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12.8V 300Ah LiFePO4 Battery for Lead Acid Replacement
12.8V 300Ah LiFePO4 Battery is a high-capacity lithium iron phosphate battery pack designed for lead acid battery replacement, RV power systems, marine power supply, solar energy storage, backup power, off-grid systems, and deep cycle battery applications. Compared with traditional lead acid batteries, this LiFePO4 battery provides longer service life, higher usable energy, stable power output, and improved efficiency for 12V power systems.
12.8V 300Ah LiFePO4 Battery with 3840Wh Energy
This battery provides 12.8V nominal voltage, 300Ah nominal capacity, and 3840Wh nominal energy. It is suitable for customers who need a higher-capacity 12V lithium battery solution for long-duration energy storage, replacement battery projects, and stable power supply applications.
The FT-12300 model supports 200A charging current and 200A discharging current, with a maximum discharge current of 400A for 10 seconds. The maximum discharge power reaches 3000W, making it suitable for demanding 12V power systems, backup power solutions, and lead acid replacement applications.
Designed for Lead Acid Battery Replacement
The 12.8V 300Ah LiFePO4 Battery is commonly used as a replacement solution for traditional lead acid batteries. It provides stable voltage output, longer cycle life, and improved energy efficiency for different 12V deep cycle power applications.
Typical Applications
- RV energy storage systems
- Marine power systems
- Solar off-grid storage
- Backup power supply
- Outdoor power systems
- Deep cycle battery replacement
- Small commercial energy storage
- Lead acid battery replacement projects
Long Cycle Life and Stable Performance
Built with LiFePO4 battery technology, this battery supports more than 3000 cycles under proper operating conditions. The wide working temperature range allows charging from 0°C to 50°C and discharging from -20°C to 60°C, helping the battery perform reliably in different application environments.
The IP64 protection rating makes this 12.8V 300Ah LiFePO4 Battery suitable for indoor and semi-protected energy storage applications where dust and splash resistance are required.
High Capacity for 12V Energy Storage Systems
The FT-12300 battery has a size of L520 × W269 × H220 mm and a weight of 36kg. With 3840Wh nominal energy, this model provides higher energy capacity for customers who need longer runtime and stronger power support in 12V lithium battery systems.
Technical Specifications
| Model | FT-12300 |
| Battery Type | LiFePO4 Battery Pack |
| Nominal Voltage | 12.8V |
| Nominal Capacity | 300Ah |
| Nominal Energy | 3840Wh |
| Charging Voltage | 14.6V |
| Discharge Voltage | 12V |
| Cell | 3.2V 100Ah |
| Cell Series & Parallels | 4S3P |
| Charge Current | 200A |
| Discharging Current | 200A |
| Max. Discharge Current 10S | 400A |
| Max Discharge Power | 3000W |
| Operating Temperature | Charge 0~50°C; Discharge -20~60°C |
| Cycle Life | ≥3000 cycles |
| IP Class | IP64 |
| Dimensions | L520 × W269 × H220 mm |
| Weight | 36kg |
| Certificates | CE, FCC, UN38.3, MSDS |
Suitable for OEM, Distribution and Project Supply
Safecloud supports B2B customers including distributors, solar system integrators, RV power solution providers, marine power suppliers, backup power solution providers, and project buyers. The FT-12300 12.8V 300Ah LiFePO4 Battery can be supplied for bulk orders, lead acid replacement projects, and customized lithium battery solutions.
For customers who need stable lithium battery supply, technical communication, and long-term cooperation, this model is a practical choice for high-capacity 12V LiFePO4 battery applications.
View more Safecloud lithium battery products here:
LiFePO4 Battery Solutions.
For lithium battery transport safety requirements, you may also refer to:
UN Manual of Tests and Criteria for Dangerous Goods
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