Compact 24V 280Ah DIY LiFePO4 battery kit with Smart 8S 200A BMS, LCD monitoring, fuse protection and CAN/RS485 communication for solar, RV and off-grid systems.
Need to confirm cell dimensions, inverter protocol or kit configuration? Our engineering team can help before ordering.
Built for DIY energy storage projects that require a complete enclosure, smart BMS integration and flexible LiFePO4 cell configuration.
The Seplos MASON-24280-DIY is a complete 24V DIY LiFePO4 battery kit designed for assembling a 25.6V-class, 7.17kWh energy storage battery using eight compatible 280Ah prismatic cells in series. The kit combines the battery enclosure, Smart 8S 200A Seplos BMS, fuse protection, LCD display, PCB connection boards, busbars, wiring and essential assembly hardware in one ready-to-build platform.
Designed for RV, renewable energy, industrial and marine applications, the MASON 24V platform supports Bluetooth monitoring, passive balancing and scalable energy storage. CAN and RS485 communication also allow integration with compatible inverter and energy management systems.
01
Integrated Seplos smart BMS provides cell monitoring, charge and discharge protection, system communication and real-time battery management.
01
Cell balancing helps reduce voltage differences between cells and supports more stable operation in high-capacity LiFePO4 battery packs.
01
Wireless battery monitoring provides convenient access to operating data and key BMS information during commissioning and daily use.
01
The kit combines the enclosure, BMS, PCB boards, busbars, wiring and assembly hardware for a cleaner and more organized battery build.
Compatible cell and inverter details are covered in the dedicated system integration section below.
The complete Mason package list is preserved below. Main parts, auxiliary components and screw hardware are separated into three structured tables for faster checking without losing any original BOM detail.
The package tables preserve complete quantities, specifications, mounting hardware and connection components for this Mason configuration.
| No. | Qty | Item / Description |
|---|---|---|
| 1 | 1 | Battery Case (Bottom Case, Front Panel, Top Bracket, Front Bracket, Top Cover) |
| 2 | 1 | 24V 200A 8S 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) |
| No. | Qty | Item / Description |
|---|---|---|
| 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) |
| No. | Qty | Item / Description |
|---|---|---|
| 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 |
Key product-specific technical data for this Mason DIY battery configuration.
Review the key system configuration before confirming cell compatibility, inverter communication and final installation requirements.
Cell dimensions and inverter compatibility are covered in the dedicated sections below.
Electrical, BMS, communication and enclosure specifications.
| BMS | Smart 8S 200A |
| Waterproof Class | IP20 |
| Battery Size | (L*W*H)450*440*251mm |
| Weight(Kits) | 22kg |
| Display | LCD Screen |
| Battery Management System | Built-in BMS |
| Inverter Communication | CAN/RS485 ×2 |
Check the supported LiFePO4 cell dimensions and terminal spacing for this Mason enclosure, then use the official assembly resources before installation.
Model, cell brand, physical dimensions and electrode distance.
If your LiFePO4 cell is not listed, verify the dimensions and electrode spacing with Seplos engineering before assembly.
Access assembly, operating and installation resources without interrupting the compatibility data above.
Step-by-step assembly reference for enclosure, BMS, busbars and internal hardware.
Operating instructions, wiring references and system configuration information.
Watch the Mason battery assembly process and key installation steps before commissioning.
Seplos low-voltage battery systems support communication with a wide range of mainstream inverters through CAN and RS485 protocols.
Protocol support at a glance
CAN and RS485 communication protocol reference.
| Brand | Protocol | Communication | Version |
|---|---|---|---|
| Pylontech | CAN-Bus-Protocol-PYLON | CAN | V1.3 |
| Goodwe | Goodwe Communication Protocol | CAN | V1.5 |
| Lolis | CAN Communication Protocol | CAN | V1.0 |
| Sofar | BMS CAN BUS Protocol | CAN | V1.0 |
| SMA | FSS-ConnectingBat-TI-EN-20W | CAN | V2.0 |
| Victron | Can-Bus_Bms_Protocol | CAN | V1.0 |
| LUXPOWER | Luxpowertek Battery CAN Protocol | CAN | V1.0 |
| Studer | Technical Specification Studer BMS Protocol | CAN | V1.03 |
| TBB | TBB BMS CAN Communication V1.02 | CAN | V1.02 |
| Deye | CAN-Bus-Protocol-PYLON-V1.3 | CAN | V1.0 |
| Sorocec | 2_CAN Protocol 1.0 | CAN | V1.0 |
| MEGAREVO | Hybrid Inverter_5K_BMS Protocol V1.01 | CAN | V1.01 |
| Amensolar | CAN-Bus-Protocol-PYLON | CAN | V1.0 |
| MUST | PV1800F-CAN Communication Protocol | CAN | V1.04.04 |
| AFORE | Luxpowertek Battery CAN Protocol | CAN | V1.0 |
| Pylontech | RS485-Protocol-Pylon-Low-Voltage | 485 | V3.5 |
| Voltronic Power | Voltronic Inverter And BMS 485 Communication Protocol | 485 | V1.0 |
| SRNE | PACE BMS Modbus Protocol For RS485 | 485 | V1.3 |
| Deye | RS485-Protocol-Pylon-Low-Voltage | 485 | V1.0 |
Tell us your cell model, inverter brand and project requirements. Our team can help confirm compatibility, configuration and the right Mason DIY solution before you order.
Your project information will only be used to evaluate your inquiry and provide relevant product or technical support.
