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Pre-order MoniWatt for JK BMS
€49 pre-order price, cables included. Ships on 10 November 2026, refundable until then.
In the box
- MoniWatt for JK BMS with colour screen and RS485 / CAN interface
- RJ45 cable for the JK RS485 socket
- USB-C cable
Made to order
Each box is assembled with our RS485 / CAN board, loaded with the JK firmware and checked on a JK inverter BMS before it is packed. Pre-orders ship on 10 November 2026.
Zero risk
- Cancel before shipping: 100% refund, shipping included.
- 14 days to return after delivery.
- 30 days to return for a full refund if your board is not supported.
Tell us your build
Board model, cell count, number of packs, inverter. The more we know, the more precisely we test.