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Daly Monitor: technical specifications
Everything about the box, its software and the free Cloud, on one page, for your Daly battery.
The box
| Screen | 1.8" colour screen: charge, power and the box’s address on your network |
|---|---|
| Size | 70 × 70 × 36 mm |
| Power | USB-C, 5 V, under 0.5 W: any phone charger or a 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
| Setup | The box opens its own Wi-Fi network on first start: pick your home network from your phone. No app, no 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 | E-mail if the box goes quiet for 6 hours; thresholds 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 | Daly smart BMS with RS485 |
|---|---|
| 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
Turn your Daly BMS into a smart-home sensor
Order Daly Monitor, shipped on 10 November 2026 and tested on a Daly smart BMS.
Pre-order for €49Pre-order price · €59 from 10 Nov · ships on 10 November 2026 · free cancellation until dispatch