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Pace Monitor: technical specifications
Everything about the box, its software and the free Cloud, on one page, for your Pace battery.
- 1.8"colour screen
- < 0.5 WUSB-C 5 V
- 2.4 GHzWi-Fi
- RJ45RS485
- Read-onlynever writes
- 2 yearswarranty
A Pace board knows a great deal about the rack it protects, but getting at it normally takes a Windows laptop, PbmsTools and a serial cable. The box stays connected over RS485 instead, and records a history you could never build from an occasional visit with a laptop.
The board is sold to many battery makers, with firmware that varies. This edition targets Pace boards speaking the protocol documented for the P16S series. Tell us the name of your battery and send a photo of the panel when you order, and we test that version before shipping.
The box
| Screen | 1.8" colour screen: charge, power and the box’s address on your network |
|---|---|
| Size | 74 × 74 × 25 mm |
| Power | 5 V over USB-C, less than 0.5 W, from a charger or power bank |
| Connection | RS485 port, RJ45 cable included |
| Network | 2.4 GHz Wi-Fi (no Ethernet port); a small router without internet is enough at home |
| Mode | Read-only: the box never changes a setting of your battery |
| After a power cut | Restarts on its own and picks up where it left off |
Local software
| Installation | Plug & play: about a minute, without tools; the box arrives prepared for your model |
|---|---|
| Setup | At first power-up the box creates its own Wi-Fi. From your phone you select your home network, without app or account. |
| Local dashboard | http://moniwatt.local in any browser, password-protected, works without internet |
| JSON API | GET /api.json on your network, protected by a key |
| MQTT | Readings published on your broker, Home Assistant auto-discovery (no YAML) |
| Other platforms | Jeedom, Node-RED, Domoticz, openHAB |
Free Cloud (optional)
| Access | Live dashboard on any phone or PC, from anywhere, no port forwarding or VPN |
|---|---|
| History | Up to 3 years, CSV export |
| Alerts | An e-mail after 6 hours of silence; your own limits for charge, temperature and alarms |
| Sharing | Private JSON link; an installer can follow the system with their own access |
| Privacy | Off by default, encrypted (HTTPS), switched off in one click in the box settings |
| Price | Free, no subscription |
Compatibility
| Models | Pace BMS boards (P16S100A, P16S200A) in 48 V rack batteries |
|---|---|
| Port on the rack | RS485, RJ45, usually next to CAN |
| Cell count | 16S, 48 V nominal (51.2 V) |
| RS232 and PbmsTools | Not used: the socket stays free for settings |
| Your existing wiring | Untouched: the box reads, it never writes |
| Another model? | Tell us when you order: your box is prepared and tested for it. |
Order and service
| Price | €49.00 · Pre-order price · €59 from 10 Nov |
|---|---|
| Dispatch | Pre-order: ships from France on 10 November 2026. |
| Delivery | 38 countries in Europe, North Africa, North America, Australia and Japan; shipping shown before payment |
| Returns | 14 days after delivery; 30 days and return paid by us if your model is not supported |
| Warranty | 2 years |
| Support | By e-mail, from the team that makes Pylon-Monitor, in English, French, German, Dutch, Spanish and Italian |
Keep reading
See what the Pace board inside your rack knows
Order Pace Monitor, shipped on 10 November 2026 and tested on a Pace BMS before it leaves.
Plug & play: working in about a minute