SEPLOS
51.2V 280Ah 314Ah 340Ah LifePO4 diy kits,without cells
51.2V 280Ah 314Ah 340Ah LifePO4 diy kits,without cells
★Service: 10 Years Warranty
★Support: OEM,ODM,OBM,Customized
★Certificates: IEC,CE,ROHS,UN38.3,ISO etc.
The Mason 51.2V 280Ah LiFePO4 Energy Storage System delivers 14.3kWh of reliable power for residential, off-grid, and commercial applications.
Features
·Automotive-grade lithium battery
·Safer use
·Passive balancing
·Bluetooth monitoring
·Scalable energy storage
Technical specifications
BMS: Smart 16S 200A (Max 32pcs In Parallel)
Communication Protocol: CAN / RS485*2
Waterproof Class: IP20
Battery Box Size: (L*W*H)830*505*340mm
Weight: 30kg
Display: LCD Screen
Built-in battery management system
CAN/RS485*2 inverter communication
Advantages Of Our DIY Battery Case
1.Complete Kit: All-inclusive package simplifies the entire assembly process.
2. Intelligent BMS:Comprehensive protection and monitoring enhance system stability.
3.Passive Balancing: Optimizes performance and extends overall lifespan.
4.Scalable Design: Modular setup allows for flexible future expansion.
5.Solar Ready: Designed for seamless integration with home solar systems.
Package List
| Main Part | |
|---|---|
| 1 | 1 * Battery Case (Bottom case, Front Panel, Top Bracket, Front Bracket, Top cover) |
| 2 | 1 * 48V 200A 16S Seplos BMS |
| 3 | 1 * 58V 400A Fuse |
| 4 | 4 * Handle |
| 5 | 2 * PCB Board for BMS and Cell Connection |
| 6 | 3 * Upper and Lower Latch lock |
| 7 | 1 * LCD Screen |
| 8 | 1 * LCD Screen Sticker |
| 9 | 4 * Button Cap |
| 10 | 3 * Wires (LCD Screen wire, PCB board A and PCB board Connector) |
| 11 | 2 * Battery Terminals (P+ Terminal and P- Terminal) |
| Other Components | |
|---|---|
| 1 | 6 * Copper bus bars (BMS connection) |
| 2 | 15 * Aluminum bus bars (Cell connection) |
| 3 | 10 * Epoxy sheet (Between cell and the case) |
| 4 | 26 * EVA Tape (Between cells) |
| 5 | 1 * PC sheet (Top cover) |
| Screws Details | |
|---|---|
| 1 | 12 * Phillip Hex M4 * 8mm (PCB board fix) |
| 2 | 9 * Phillip Hex M5 * 8mm + Washer + Spring Set(Ground cable and top bracket fix) |
| 3 | 7 * Phillip Hex M6 * 25mm + Washer + Spring Set(Front Panel fix) |
| 4 | 10 * Phillip Round M3 * 8mm + Washer + Spring Set(BMS and LCD Screen fix) |
| 5 | 12 * Phillip Pan M5 * 10mm (Latch fix) |
| 6 | 16 * Hexagon Socket Pan M4 * 10mm (P+/P- Terminals fix) |
| 7 | 42 * Hexagon Socket Countersunk M4 * 10mm (Handle and battery case) |
| 8 | 4 * Phillip Hex M6 * 14mm + Washer + Spring Set(foot fix) |
| 9 | 5 * Phillip Hex M8 * 10mm + Washer + Spring Set (P+/P- Bus bar fix) |
| 10 | 8 * Phillip Round M5 * 10mm + Washer |

Built-in Intelligent BMS
Intelligent Control System
- Overcharge, over-discharge, and overcurrent protection
- Active cell balancing for optimal performance
State Monitoring:
- Real-time SOC (State of Charge) calculation
- SOH (State of Health) estimation
- Voltage, current, and temperature monitoring
Communication:
- CAN and RS485 protocol support
- Compatible with inverters and monitoring systems
- Remote control and data exchange
Fault Diagnosis:
- Real-time fault detection and alerts
- Event logging with timestamps
- Diagnostic codes for troubleshootin

Highly Compatible with Various Inverters
Compatible with all Pylontech-protocol inverters via CAN or RS485. Supported brands include PYLONTECH, SUNSYNK, Afore, Growatt, SMA, SOROTEC, GOODWE, Victron Energy, Deye, SOFAR SOLAR, Voltronic Power, and Sol-Ark. Custom protocol matching available upon request.

Suitable for a Wide Range of Applications
14.3KWh DIY battery case are widely applicable to the following scenarios:Home Energy Storage, Commercial Storage, Industrial Backup Power, Off-Grid Power Systems, Grid-Tied Power Systems, and Uninterruptible Power Supplies (UPS) etc.

