What is a 48V DIY Box?
A 48V DIY Box is a pre-configured battery kit designed for building a 48V lithium battery system, typically using LiFePO₄ cells. It includes essential components like a battery management system (BMS), enclosure, busbars, and terminals, allowing users to assemble a custom energy storage solution without sourcing individual parts separately.
How is a 48V DIY Box Made?
The assembly process involves integrating pre-provided components rather than manufacturing from scratch. Here’s how it’s typically done:
- Cell Preparation & Testing: LiFePO₄ cells (e.g., 280Ah/304Ah/320Ah) are tested for voltage and internal resistance consistency.
- Assembly & Insulation: Cells are arranged in series (16S for 48V) and placed into the enclosure.
- Insulating materials (e.g., epoxy plates, EVA foam tape) secure cells and prevent short circuits.
- Electrical Connections:
- Flexible copper busbars connect cells in series.
- Main terminals (P+/P-) are linked to the BMS and external wiring.
- BMS Integration:
- Balance leads are attached to each cell node for voltage monitoring.
- The BMS is connected to main charge/discharge pathways and communication ports (Bluetooth/RS485/CAN).
- Safety Components & Sealing:
- Circuit breakers, switches, and temperature sensors are installed.
- The enclosure is sealed to protect against environmental factors.
- Testing & Activation:
- Output voltage and BMS functionality are verified.
- Bluetooth apps (e.g., JK BMS) monitor cell-level metrics before deployment.
Where is it Used?
48V DIY Boxes are widely adopted in applications requiring modular, scalable energy storage:
- Solar Energy Storage: Off-grid and residential solar systems.
- Electric Vehicles: Golf carts, scooters, and custom EVs.
- Backup Power: UPS systems for homes or telecom infrastructure.
- Marine & RV Power: Auxiliary power for onboard electronics.
Current Trends
- Modular Stackable Designs: Units feature stackable enclosures for scalable capacity (e.g., server-rack-style batteries).
- Smart Monitoring: Bluetooth/CAN/RS485 connectivity enables real-time monitoring via mobile apps.
- Higher Capacity & Power: Support for larger cells (e.g., 304Ah–628Ah) and high-current BMS (200A+).
- Enhanced Safety: Integrated BMS-breaker combos and LCD displays for diagnostics.
- Customization: OEM/ODM services offer logo branding and tailored electrical configurations.
Safety Notes
- Use insulated tools and protective gear during assembly.
- Verify all electrical connections before activation.
- Source cells and BMS from reputable suppliers to ensure reliability.
- For specific technical details or compatibility queries, consult your supplier’s documentation.
Unlock the Full Potential of Your DIY Battery Build with the XINTechPro Pre-wired BMS Box!
Tired of complex wiring and the fear of connection errors when building your lithium battery pack? Our XINTechPro JK BMS DIY Box is the ultimate solution, offering professional-grade performance with plug-and-play simplicity. Designed for serious DIY enthusiasts and solar energy professionals, this pre-assembled unit takes the guesswork out of installation, ensuring your high-value LiFePO4 cells are protected and performing optimally from the first moment you power it on.
Key Features & Benefits:
- Pre-wired & Pre-assembled for Effortless Installation: Save hours of tedious work and eliminate the risk of wiring mistakes. The main power leads, balance leads, and communication ports are all securely connected and ready to use. Simply connect your battery cells and main cables, and you’re done!
- Premium JK BMS Core with Smart Functionality: At the heart of this box is the renowned JK BMS, known for its high accuracy and reliability. Monitor and manage your battery pack in real-time via Bluetooth with a dedicated app, checking voltage, temperature, state of charge, and individual cell balance.
- Robust 200A Continuous Current Rating: Perfect for high-demand applications like solar energy storage, off-grid systems, campers, and electric vehicles. Handle powerful inverters and sustained loads with confidence, thanks to excellent heat dissipation and robust components.
- Wide Compatibility for Popular LiFePO4 Cells: Expertly configured for 16S (48V) battery packs built with 280Ah, 304Ah, 314Ah, and 320Ah prismatic cells. Achieve perfect balance and protection for your specific setup, maximizing the lifespan and capacity of your investment.
- Comprehensive Protection Suite: Your battery pack is safeguarded by multiple layers of protection, including Over-Charge, Over-Discharge, Over-Current, Short-Circuit, and High-Temperature protection. Build with peace of mind knowing your cells are secure.
- Strong & Durable Enclosure: The BMS is housed in a rugged, non-conductive plastic box that protects the electronics from dust, moisture, and accidental impact, ensuring long-term durability.
Specifications:
- Brand: XINTechPro
- Model: JK BMS 16S200A DIY Box
- Configuration: 16S (48V Nominal)
- Continuous Discharge Current: 200A
- Charging Current: 200A
- Compatible Chemistry: LiFePO4 (LFP)
- Compatible Cell Capacities: 280Ah, 304Ah, 314Ah, 320Ah
- Communication: Bluetooth (App Support for iOS/Android)
- Features: Pre-wired, Pre-assembled, Balance Leads Included
Ideal For:
- DIY Solar Energy Storage Systems
- Off-Grid Power Cabinets
- Van Life & RV Power Systems
- Golf Carts and Electric Vehicles
- Home Backup Power Solutions
Necessary Hardware
Stop wrestling with complicated wiring diagrams! Choose the smart, safe, and simple way to finish your 48V battery project. Order your XINTechPro Pre-wired BMS Box today and experience the difference of professional quality made easy.
Basic Parameters
| Brand Name: XINTechPro | ||||||
| Product Model: 48V 16S200A-JK DIY Box | ||||||
| No. | Material Name | Material Information | Unit | Quantity | Installed (Yes /No) |
Picture |
| 1 | Battery case | 1.5mm tickeness black battery case, size: 750*440*250mm | PCS | 1 | Y | |
| 2 | Circuit breaker | 1P-250A circuit breaker with protective cover | PCS | 1 | Y | |
| 3 | JK BMS | Model: JK-PB2A16S20P | Unit | 1 | Y | |
| 4 | Touch Screen | JK 4.3 inches Touch Screen | PCS | 1 | Y | |
| 5 | Acquisition Card | Data acquisition card, Model: PS-AB-48V200A | Unit | 1 | Y | |
| 6 | Wire Harness | JK motherboard connection cable, PVC-A : 20cm, PVC-B: 35cm | Unit | 1 | Y | |
| 7 | Lifting Handle | Folding handle, Model: LS702-1-Large-silver | PCS | 4 | Y | |
| 8 | Negative Terminals | Terminals-200A-Black | PCS | 2 | Y | |
| 9 | Positive Terminals | Terminals-200A-Red | PCS | 2 | Y | |
| 10 | Epoxy Board | Size: 580*174*0.5mm | PCS | 2 | Y | |
| 11 | Size: 585*200*0.5mm | PCS | 4 | Y | ||
| 12 | Size: 200*170*0.5mm | PCS | 2 | Y | ||
| 13 | Size: 690*330*0.5mm | PCS | 1 | Y | ||
| 14 | Copper connector | Size: 72mm hole pitch & 90mm length | PCS | 2 | Y | |
| 15 | Wire Harness | Positive 6 AWG wire harness, red | PCS | 2 | Y | |
| 16 | Wire Harness | Negative 6 AWG wire harness, black | PCS | 2 | Y | |
| 17 | Ground Screws | Ground screws, M5 Phillips pan head screw | PCS | 1 | Y | |
| 18 | Screws for BMS Board | 304 stainless steel,round head Phillips pan head combination screw, size:M3*6 mm | PCS | 4 | Y | |
| 19 | Screws for BMS Board | 304 stainless steel,round head Phillips pan head combination screw, size:M3*18 mm | PCS | 4 | Y | |
| 20 | Screws for front panel and cover | 304 stainless steel, pan head screw with Phillips drive, size: M4*10 mm, front panel screws: 10 pcs, Cover screws: 4 pcs, color: Black | PCS | 14 | Y | |
| 21 | Screws for handler & latch | 304 stainless steel, pan head screw with Phillips drive, size: M4*10 mm, Handle screws: 16 pcs, Latch screws: 12 pcs, color: Silver | PCS | 28 | Y | |
| 22 | Screws for panel and PCB-AB fixing | 201 stainless steel, self-tapping screw with a hexagonal socket and Phillips drive, Panel mounting screws: 7 pcs, PCB-A & B fixing screws: 4 pcs, size: M6*12mm | PCS | 11 | Y | |
| 23 | Screws for PCB-AB Board | 201 stainless steel, combination screw with a hexagonal socket and Phillips drive, size: M4*6 mm | PCS | 12 | Y | |
| 24 | Package box | Corrugated cardboard box with pearl cotton, size: 850*520*340mm | PCS | 1 | Y | |
| 25 | Parrallel Cable | RJ45 Parrallel Cable,length: 50mm | PCS | 1 | N | |
| 26 | BMS Heating Cable | BMS Heating Cable | PCS | 1 | N | |
| 27 | Buckle | Oversize duckbill buckle, 304 stainless steel, without a lock nose | PCS | 3 | N | |
| 28 | Round support feet | Round support feet | PCS | 4 | N | |
| 29 | Screws | 201 stainless steel, self-tapping screw with a hexagonal socket and Phillips drive,, size: M6*12mm | PCS | 12 | N | |
| 30 | Epoxy Board | Size: 200*170*0.5mm, used in cells | PCS | 16 | N | |
| 31 | Screws for Cells | M6 screws for cells | PCS | 32 | N | |
| 32 | EVA Foam | Size:610*60*2mm | PCS | 2 | N | |
| 33 | Flexible Copper Connector | Flexible copper connector | PCS | 1 | N | |
| 34 | Copper connector | Copper connector with black heat shrink tubing | PCS | 14 | N | |
| 35 | Screws for Cover | Cover screws,304 stainless steel, pan head screw with Phillips drive, size: M4*10 mm,color: Black | PCS | 12 | N | |
| 36 | DRY Connector | DRY Connector, CT-DRY-4P | PCS | 1 | N | |
| 37 | Spare Screws | Pan head screw with Phillips drive,size: M4*10 mm, Black,Spare screws for front panels &covers | PCS | 4 | N | |
| 38 | Pan head screw with Phillips drive, size: M4*10 mm,silver,Spare screws for latch | PCS | 16 | N | ||
| 39 | Round head Phillips pan head combination screw, size:M3*4 mm,backup screws for PCB-AB board | PCS | 4 | N | ||
| 40 | Self-tapping screw with a hexagonal socket and Phillips drive,size:M6*12 mm,Spare screws for fixing PCB-A& B board | PCS | 4 | N | ||
| In the event that any parts are missing, please do not hesitate to contact us at intechpro.info@gmail.com. | ||||||
Reviews
There are no reviews yet.