12V 280Ah / 314Ah / 320Ah LiFePO4 DIY Battery Kit with 4pcs CATL 314AH cells – EU Stock (Customer assemble )，JK BMS, LCD
12V 280Ah / 314Ah / 320Ah LiFePO4 DIY Battery Kit with 4pcs CATL 314AH cells – EU Stock (Customer assemble ),JK BMS, LCD
Reliable. Intelligent. Powerful.
Our high-performance 12V LiFePO4 DIY battery kits are designed for serious energy storage users who demand long life, intelligent control, and maximum safety. Available in 280Ah, 314Ah, and 320Ah configurations, each kit is built with Grade A LiFePO4 cells, a built-in JK Smart BMS with active balancing, and an integrated LCD display for real-time monitoring. Perfect for solar storage systems, RVs, boats, backup power, and off-grid setups.
Technical Specifications
| Parameter | 280Ah | 314Ah | 320Ah |
|---|---|---|---|
| Nominal Voltage | 12.8V | 12.8V | 12.8V |
| Capacity | 280Ah | 314Ah | 320Ah |
| Energy | 3584Wh | 4019Wh | 4096Wh |
| Standard Charge Voltage | 14.6V | 14.6V | 14.6V |
| Standard Discharge Cutoff | 10V | 10V | 10V |
| Max Continuous Discharge | 100A / 150A (customizable) | ||
| Max Charge Current | 100A | 100A | 100A |
| Cell Type | Grade A LiFePO4 (Prismatic) | ||
| Weight (Approx.) | 28~32 kg (varies by model) | ||
| Dimensions | Custom-built case, varies by model (can be provided) |
Product Highlights
High-Capacity Lithium Iron Phosphate (LiFePO4) Battery
Choose from 280Ah / 314Ah / 320Ah
Nominal Voltage: 12.8V (4S1P Configuration)
Energy: Up to 4096Wh (12.8V × 320Ah)
Long life cycle: >8000 cycles at 80% DOD, >6000 at 100% DOD
Built-in JK Smart BMS (Active Balancing)
Built-in JK BMS supports active balancing, ensuring each cell remains in sync
Protection functions: over-voltage, under-voltage, short-circuit, over-temperature, and low-temperature cut-off
Communication interfaces: Bluetooth
Optional app monitoring for Android/iOS (via Bluetooth)
Integrated Display Screen
Real-time display of:
Battery Voltage
Current (Charge/Discharge)
State of Charge (SOC)
Temperature
Cell voltage status
Poland Warehouse – EU Stock
Fast & duty-free shipping across the European Union
No customs hassle for EU buyers
Reliable after-sales support and return service for European customers
Battery box, BMS, LCD, connecting connectors, terminals all are included.
We will offer you installation file and video, which is easier for assembling the pack .
Its good for home energy storage system, UPS, Caravans, RV and others .
Applications:
Solar Energy Storage Systems (Off-grid or Hybrid)
Recreational Vehicles (RVs, Motorhomes, Camper Vans)
Marine Power (Yachts, Boats)
Emergency Backup Power
Home Energy Storage
Outdoor Mobile Power Stations
CATL 314AH CELLS, in stock in Poland now.
Buy together can get extra disocunt off
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.