12.8V 50Ah LiFePO4 Battery
12.8V 50Ah LiFePO4 Battery is a compact lithium iron phosphate battery pack designed for lead acid replacement, small solar storage, backup power, outdoor power systems, and portable energy applications. With 640Wh nominal energy, 50A continuous charge and discharge current, IP64 protection, and over 3000 cycles, it provides a lightweight and stable 12V power solution for B2B replacement battery and compact energy storage projects.
Key Features:
- Model: FT-1250
- Nominal Voltage: 12.8V
- Nominal Capacity: 50Ah
- Nominal Energy: 640Wh
- Charging Voltage: 14.6V
- Discharge Voltage: 12V
- Cell: 3.2V 50Ah
- Cell Series & Parallels: 4S1P
- Charge Current: 50A
- Discharging Current: 50A
- Max. Discharge Current 10S: 10A
- Max Discharge Power: 500W
- Cycle Life: ≥3000 cycles
- IP Class: IP64
- Dimensions: L229 × W138 × H208 mm
- Weight: 8kg
- Certificates: CE, FCC, UN38.3, MSDS
12.8V 50Ah LiFePO4 Battery for Lead Acid Replacement
12.8V 50Ah LiFePO4 Battery is a compact lithium iron phosphate battery pack designed for lead acid battery replacement, small solar storage systems, backup power, outdoor power systems, portable energy applications, and compact 12V power solutions. Compared with traditional lead acid batteries, this LiFePO4 battery provides longer cycle life, lighter weight, stable power output, and improved energy efficiency.
12.8V 50Ah LiFePO4 Battery with 640Wh Energy
This battery provides 12.8V nominal voltage, 50Ah nominal capacity, and 640Wh nominal energy. It is suitable for customers who need a compact 12V lithium battery solution for small energy storage, replacement battery projects, and stable backup power applications.
The FT-1250 model supports 50A charging current and 50A discharging current. The maximum discharge power reaches 500W, making it suitable for compact power systems, small backup power applications, and lead acid replacement projects.
Designed for Lead Acid Battery Replacement
The 12.8V 50Ah LiFePO4 Battery is commonly used as a replacement solution for traditional lead acid batteries. It provides stable voltage output, longer service life, and improved efficiency for different 12V deep cycle power applications.
Typical Applications
- Small solar energy storage systems
- Backup power supply
- Outdoor power systems
- Portable energy systems
- Small equipment power supply
- Lead acid battery replacement projects
- Compact 12V deep cycle battery applications
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 50Ah LiFePO4 Battery suitable for indoor and semi-protected energy storage applications where dust and splash resistance are required.
Compact Size for 12V Battery Applications
The FT-1250 battery has a compact size of L229 × W138 × H208 mm and a weight of 8kg. Its compact structure makes it easier to install and integrate into small power systems compared with many traditional lead acid battery solutions.
Technical Specifications
| Model | FT-1250 |
| Battery Type | LiFePO4 Battery Pack |
| Nominal Voltage | 12.8V |
| Nominal Capacity | 50Ah |
| Nominal Energy | 640Wh |
| Charging Voltage | 14.6V |
| Discharge Voltage | 12V |
| Cell | 3.2V 50Ah |
| Cell Series & Parallels | 4S1P |
| Charge Current | 50A |
| Discharging Current | 50A |
| Max. Discharge Current 10S | 10A |
| Max Discharge Power | 500W |
| Operating Temperature | Charge 0~50°C; Discharge -20~60°C |
| Cycle Life | ≥3000 cycles |
| IP Class | IP64 |
| Dimensions | L229 × W138 × H208 mm |
| Weight | 8kg |
| Certificates | CE, FCC, UN38.3, MSDS |
Suitable for OEM, Distribution and Project Supply
Safecloud supports B2B customers including battery distributors, solar product suppliers, backup power solution providers, outdoor power system suppliers, equipment manufacturers, and project buyers. The FT-1250 12.8V 50Ah LiFePO4 Battery can be supplied for bulk orders, lead acid replacement projects, and customized lithium battery solutions.
For customers who need compact lithium battery supply, technical communication, and long-term cooperation, this model is a practical choice for 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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