Seplos manufactures advanced Battery Management Systems (BMS) and DIY LiFePO4 battery storage kits designed for residential solar and renewable energy applications.
Seplos (Dongguan Seplos Technology Co., Ltd.) is a leading manufacturer specializing in Lithium Iron Phosphate (LiFePO4) energy storage solutions. Widely recognized in the global DIY solar community, Seplos engineers robust Battery Management Systems (BMS) that ensure the safety, longevity, and efficiency of home battery packs. Their flagship products, including the popular Mason DIY battery kits and smart BMS units, offer extensive compatibility with major inverter brands such as Pylontech, Victron, Growatt, and SMA.
In addition to BMS components, Seplos provides complete server-rack battery modules and wall-mounted energy storage systems. Their smart BMS technology features CAN Bus and RS485 communication, active balancing, and Bluetooth connectivity, allowing users to monitor cell voltage, temperature, and state of charge in real-time. Whether for off-grid power systems or grid-tied backup solutions, Seplos delivers reliable components for building scalable and efficient energy storage.
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Seplos BMS units generally support CAN Bus communication protocols for major inverter brands including Pylontech, Victron, Goodwe, Growatt, SMA, Solis, and Deye.
You can connect the BMS to a computer using an RS485 to USB adapter. You will need to install the Seplos BatteryMonitor software and set the correct baud rate (typically 19200) to view battery data.
The default login credentials for the Seplos BatteryMonitor software are typically 'admin' for both the username and password.
The BMS can be woken up by pressing and holding the reset button for approximately 6 seconds, or by applying a charge/discharge current to the terminals.