Knowledge Base › Communication Modules
SAJ eSolar AIO3 Pro
Official manufacturer GLOBAL verified Sept. 23, 2026
Page 1 of Quick Start Guide eSolar AIO3 Pro (EN, EU) (https://img.saj-electric.com/file/eSolar_AIO3_Pro%20_Quick_Guide_en_EU.pdf)
Identity
| category | communication_modules |
| manufacturer | SAJ |
| model | eSolar AIO3 Pro |
| product_status | active |
| region | GLOBAL |
| variant | — |
Electrical
| cellular_4g |
True
Quick Start Guide eSolar AIO3 Pro (EN, EU)
|
| cloud_app |
eSAJ Home App
Quick Start Guide eSolar AIO3 Pro (EN, EU)
|
| display |
OLED display with button
Quick Start Guide eSolar AIO3 Pro (EN, EU)
|
| local_access |
Bluetooth (BLE) connection from the eSAJ Home App
Quick Start Guide eSolar AIO3 Pro (EN, EU)
|
| official_manual_url |
https://img.saj-electric.com/file/eSolar_AIO3_Pro%20_Quick_Guide_en_EU.pdf
Quick Start Guide eSolar AIO3 Pro (EN, EU) — inventory record source_url
|
| supply_voltage | 100-240 V AC |
Physical / mechanical
| mounting | DIN-rail |
Environment
| ip_configuration |
Dynamic IP and Static IP for both Wi-Fi and Ethernet; Auto mode
Quick Start Guide eSolar AIO3 Pro (EN, EU)
|
Interfaces & connectors
| bluetooth |
True
Quick Start Guide eSolar AIO3 Pro (EN, EU)
|
| can | True |
| documented_ports | [{'port_role': 'USB', 'port_label_from_manual': 'USB connector', 'port_type': 'USB', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'document': 0, 'page': 'Product appearance', 'quote': 'USB connector; DB9 adapter'}, {'port_role': 'ETHERNET', 'port_label_from_manual': 'Ethernet', 'port_type': 'RJ45', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'document': 0, 'page': 'Product appearance', 'quote': 'Ethernet'}, {'port_role': 'RS232', 'port_label_from_manual': 'RS-232/WIFI port', 'port_type': 'RS-232', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'document': 0, 'page': 'Product appearance', 'quote': 'RS-232/WIFI port'}, {'port_role': 'WIFI', 'port_label_from_manual': '4G/WIFI port', 'port_type': 'antenna port', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'document': 0, 'page': 'Product appearance', 'quote': '4G/WIFI port'}] disputed |
| ethernet |
True
Quick Start Guide eSolar AIO3 Pro (EN, EU)
|
| external_interface |
Ethernet, 4G/WIFI, RS-232/WIFI
disputed
Quick Start Guide eSolar AIO3 Pro (EN, EU)
|
| host_interface |
USB connector (with DB9 adapter)
disputed
Quick Start Guide eSolar AIO3 Pro (EN, EU)
|
| interfaces | RS485, Ethernet, Wi-Fi |
| rs232 |
True
Quick Start Guide eSolar AIO3 Pro (EN, EU)
|
| rs485 | True |
| supported_devices_max | 32 |
| usb |
True
Quick Start Guide eSolar AIO3 Pro (EN, EU)
|
| wifi |
True
Quick Start Guide eSolar AIO3 Pro (EN, EU)
|
Documents
product_page
Data Collector - SAJ residential smart accessories
quick_start_guide
Quick Start Guide eSolar AIO3 Pro (EN, EU)
Recorded conflicts
interfaces.documented_ports Review required
[{'port_role': 'USB', 'port_label_from_manual': 'USB connector', 'port_type': 'USB', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'document': 0, 'page': 'Product appearance', 'quote': 'USB connector; DB9 adapter'}, {'port_role': 'ETHERNET', 'port_label_from_manual': 'Ethernet', 'port_type': 'RJ45', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'document': 0, 'page': 'Product appearance', 'quote': 'Ethernet'}, {'port_role': 'RS232', 'port_label_from_manual': 'RS-232/WIFI port', 'port_type': 'RS-232', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'document': 0, 'page': 'Product appearance', 'quote': 'RS-232/WIFI port'}, {'port_role': 'WIFI', 'port_label_from_manual': '4G/WIFI port', 'port_type': 'antenna port', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'document': 0, 'page': 'Product appearance', 'quote': '4G/WIFI port'}] — stored value
[{'port_role': 'PROPRIETARY_BUS', 'port_label_from_manual': 'RS-232/WIFI port', 'port_type': 'Inverter communication port (DB9 via adapter)', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'document': 0, 'page': 'Module installation', 'quote': 'Insert the module into the inverter communication port (RS-232/WIFI port)'}, {'port_role': 'USB', 'port_label_from_manual': 'USB connector', 'port_type': 'USB', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'document': 0, 'page': 'Module installation', 'quote': 'When the inverter communication port is a USB port'}, {'port_role': 'ETHERNET', 'port_label_from_manual': 'Ethernet', 'port_type': 'Ethernet', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'document': 0, 'page': 'Module overview', 'quote': 'Module features: USB connector, Ethernet, Button, Indicator, OLED display, DB9 adapter, Nut'}, {'port_role': 'WIFI', 'port_label_from_manual': '4G/WIFI port', 'port_type': 'Wireless', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'document': 0, 'page': 'Module installation', 'quote': 'Open the cover on the communication port(4G/WIFI port)'}, {'port_role': 'BLUETOOTH', 'port_label_from_manual': 'Bluetooth connection', 'port_type': 'Wireless BLE', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'document': 0, 'page': 'App setup', 'quote': 'Bluetooth connection'}] — incoming package
Detected during import deep-enrich-2026-09-batch08
interfaces.external_interface Review required
Ethernet, 4G/WIFI, RS-232/WIFI — stored value
Ethernet, Wi-Fi, Bluetooth, USB — Module features: USB connector, Ethernet, Button, Indicator, OLED display, DB9 adapter, Nut
Detected during import deep-enrich-2026-09-batch08
interfaces.host_interface Review required
USB connector (with DB9 adapter) — stored value
Inverter communication port (RS-232/WIFI port); DB9 port via DB9 adapter, or USB port — Insert the module into the inverter communication port (RS-232/WIFI port); When the inverter communication port is a DB9 port; When the inverter communication port is a USB port
Detected during import deep-enrich-2026-09-batch08
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| builder_completeness | partial |
| region_notes | The quick guide opened is SAJ's English EU edition (file name ...en_EU.pdf); no market-specific electrical difference is documented. |
| withheld:can | false |
| withheld:rs485 | false |