Fogstar Energy SEPLOS Mason 48V 280Ah DIY Battery Kit - CASE ONLY

Seplos Mason Kit – DIY 48V 14.3kWh or 15.5kWh LiFePO4 Battery Case with BMS (Cells Not Included)

The Seplos Mason Kit provides all the essential hardware you need to build your own 48V 14.3kWh or 15.5kWh lithium battery system, using LiFePO4 prismatic cells such as the EVE LF280K or LF304K (sold separately).

Available for both Grade A and Grade B cells, this modular battery case is ideal for DIY solar energy storage projects, campervan conversions, or off-grid systems. Simply add your choice of 16 cells and inverter connections to complete a powerful, scalable system.

Key Features:

• Modular Design – Stackable and parallel-capable for future expansion.
• Supports EVE LF280K & LF304K Cells – Build a 14.3kWh or 15.5kWh battery depending on your cell choice.
• Includes 48V 200A Seplos BMS – Pre-programmed, Bluetooth-enabled, and compatible with Victron, Growatt, Solis, Sofar, and more.
• Supports CAN & RS485 Communication – Seamless integration with most major inverter brands.
• Includes LCD Display – Monitor your battery system in real time.

BMS Versions:

• V2 BMS: Compatible with kits sold pre-December 2023
• V3 BMS: For kits sold post-December 2023 (V2 and V3 are not cross-compatible)
• Unsure which version you have? Contact us and we'll help.

What’s Included in the Seplos Mason Kit:

• 1 x Battery case with top & front brackets
• 1 x 48V 200A 16S Seplos BMS (Bluetooth)
• 1 x 58V 400A Fuse
• 1 x LCD Screen + Sticker + Wiring
• 2 x PCB Boards (cell & BMS connection)
• 2 x Terminals (P+ and P-)
• 6 x Copper bus bars (BMS)
• 15 x Aluminium bus bars (cells)
• 26 x EVA tape, 10 x Epoxy sheets, 1 x PC top sheet
• 4 x Handles, 3 x Latch Locks, Screws (full set listed below)

Screws & Fasteners (Included):

• M4, M5, M6, M8 Hex and Phillips bolts (over 100 pieces) with washers and springs

What You’ll Need (Not Included):

• 16 x EVE LF280K or LF304K prismatic cells (Grade A or B)
• Inverter connection cables
• CAN or RS485 communication cables (usually included with inverter)
• RJ45 to USB cable (for PC connection to BMS software)

Want Cells Too?

Check out our Seplos Mason Battery Bundles and save up to 15% when buying the full system with cells included!

For additional information, reach out to us at hello@offgridrenewables.co.uk.