Knowledge Base › External MPPT Controllers
Western CO. WRM15 dualB
Official manufacturer GLOBAL verified Sept. 25, 2026
Identity
| category | external_mppt_controllers |
| manufacturer | Western CO. |
| model | WRM15 dualB |
| product_status | active |
| region | GLOBAL |
| variant | — |
Electrical
| battery_voltage_max_v |
[17.0, 34.0]
Brochure WRM15 dualB (ITA-ENG-FRA)
|
| battery_voltage_min_v |
[10.0, 20.0]
Brochure WRM15 dualB (ITA-ENG-FRA)
|
| battery_voltage_nominal_v | 12/24/36/48V Auto |
| battery_voltage_supported |
['12V', '24V']
disputed
Western CO. WRM15 dualB product page
|
| charge_current_a |
15
Western CO. WRM15 dualB product page
|
| load_output_current_a |
15
WRM15 dualB / WRM15 dualB-E user manual
|
| max_charge_current_a | 30.0 |
| max_dc_voltage_v | 100.0 |
| max_efficiency_pct | 98.0 |
| max_pv_current_a |
15
WRM15 dualB / WRM15 dualB-E user manual
|
| max_pv_open_circuit_voltage_v | 100.0 |
| max_pv_power_w |
[250, 500]
WRM15 dualB / WRM15 dualB-E user manual
|
| max_pv_voltage_v |
100
WRM15 dualB / WRM15 dualB-E user manual
|
| number_of_battery_outputs |
2
Western CO. WRM15 dualB product page
|
| official_product_url |
https://www.western.it/en/products/wrm15-dual-battery/
Western CO. WRM15 dualB product page — inventory record source_url
|
| self_consumption_ma |
[12.7, 17.7]
Brochure WRM15 dualB (ITA-ENG-FRA)
|
Physical / mechanical
| dimensions_mm |
146 x 121 x 49
Brochure WRM15 dualB (ITA-ENG-FRA)
|
| weight_kg |
0.515
Brochure WRM15 dualB (ITA-ENG-FRA)
|
Environment
| ip_rating |
IP20
Brochure WRM15 dualB (ITA-ENG-FRA)
|
| operating_temperature_max_c |
50
WRM15 dualB / WRM15 dualB-E user manual
|
| operating_temperature_min_c |
-40
WRM15 dualB / WRM15 dualB-E user manual
|
Interfaces & connectors
| bluetooth |
True
Western CO. WRM15 dualB product page
|
| can |
False
Western CO. WRM15 dualB product page
|
| communication | RS485 (Modbus) |
| communications |
['Bluetooth']
Western CO. WRM15 dualB product page
|
| documented_ports | [{'port_role': 'DC_OUT', 'port_label_from_manual': 'Load output current* ILOAD', 'port_type': 'terminal', 'direction': 'output', 'electrical_domain': 'dc', 'document': 0, 'page': 'Technical data table', 'quote': 'Load output current* ILOAD - - 15A - - 15A ... available only on WRM15 dualB version'}, {'port_role': 'USB', 'port_label_from_manual': 'USB port to charge mobile devices', 'port_type': 'USB', 'direction': 'output', 'electrical_domain': 'dc', 'document': 0, 'page': 'Feature note', 'quote': 'USB port to charge mobile devices (available only on WRM15 dualB version)'}, {'port_role': 'BLUETOOTH', 'port_label_from_manual': 'Bluetooth remote control application', 'port_type': 'wireless', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'document': 0, 'page': 'Feature list', 'quote': 'Bluetooth remote control application'}] |
| ethernet |
False
Western CO. WRM15 dualB product page
|
| rs485 |
False
Western CO. WRM15 dualB product page
|
| usb |
True
Brochure WRM15 dualB (ITA-ENG-FRA)
|
Documents
certificate
EC Declaration - Charge Controllers
datasheet
Brochure WRM15 dualB (ITA-ENG-FRA)
product_page
Western CO. WRM15 dualB product page
user_manual
WRM15 dualB / WRM15 dualB-E user manual
Recorded conflicts
electrical.battery_voltage_supported Review required
['12V', '24V'] — stored value
12 / 24 V — 12V / 24V
Detected during import deep-enrich-2026-09-batch17
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| builder_completeness | partial |
| region_notes | Italian manufacturer; a single CE specification, no regional electrical split. |