Pre-order €49 until 9 Nov, then €59 · ships on 10 November 2026
Pre-order €49
Features Installation Home Assistant Integrations Cloud Free FAQ Pre-order — €49

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Pre-order MoniWatt for Seplos

€49 pre-order price. Made and tested for the Seplos BMS, shipped on 10 November 2026.

MoniWatt for Seplos box with colour screen showing pack state of charge, voltage and current

What you receive

  • MoniWatt for Seplos with colour screen and RS485 / CAN interface
  • RJ45 cable for the Seplos RS485 port
  • USB-C power cable

Why a pre-order

This edition runs on our communication board with RS485 and CAN. Each box is assembled to order, loaded with the Seplos firmware and tested on a Seplos BMS before it ships. Every pre-order placed now ships on 10 November 2026.

Your money is safe

Payment is handled by Stripe. Until your box ships you can cancel with one e-mail and get a full refund, shipping included. After delivery, 14 days to change your mind, and two years of legal warranty.

Tell us about your pack

BMS version, number of packs, addresses and inverter model help us test exactly your configuration. Fill in the field below or reply to the confirmation e-mail.