Knowledge Base › Commercial Ess
LONGi OneNexus M20
Manufacturer documented GLOBAL verified Sept. 25, 2026
Official product web page: https://www.longi.com/en/products/energy-storage/one-nexus-m20/
Identity
| brand | LONGi |
| category | commercial_ess |
| manufacturer | LONGi |
| manufacturer_key | longi |
| model | OneNexus M20 |
| model_key | onenexusm20 |
| product_family | LONGi Energy Storage OneNexus |
| product_status | active |
| region | GLOBAL |
| series | OneNexus M20 |
Electrical
| ac_voltage_v |
380 / 400
OneNexus M20 - LONGi energy storage product page
|
| battery_cell_chemistry |
LiFePO4
OneNexus M20 - LONGi energy storage product page
|
| chemistry | LiFePO4 (LFP) |
| cooling |
liquid
OneNexus M20 - LONGi energy storage product page
|
| generator_input |
True
OneNexus M20 - LONGi energy storage product page
|
| generator_input_rated_power_kw |
1000
OneNexus M20 - LONGi energy storage product page
|
| grid_frequency_hz |
50 / 60
OneNexus M20 - LONGi energy storage product page
|
| nominal_energy_kwh |
2508
OneNexus M20 - LONGi energy storage product page
|
| official_product_url |
https://www.longi.com/en/products/energy-storage/one-nexus-m20/
OneNexus M20 - LONGi energy storage product page — inventory record source_url
|
| pcs_integrated |
True
OneNexus M20 - LONGi energy storage product page
|
| phase_count |
3
OneNexus M20 - LONGi energy storage product page
|
| rated_current_a |
1804
OneNexus M20 - LONGi energy storage product page
|
| rated_power_kw |
1250
OneNexus M20 - LONGi energy storage product page
|
| topology |
container
OneNexus M20 - LONGi energy storage product page
|
| transfer_time_ms |
0
OneNexus M20 - LONGi energy storage product page
|
Physical / mechanical
| height_mm |
2896
OneNexus M20 - LONGi energy storage product page
|
| length_mm |
6096
OneNexus M20 - LONGi energy storage product page
|
| width_mm |
2438
OneNexus M20 - LONGi energy storage product page
|
Environment
| ip_rating |
IP55
OneNexus M20 - LONGi energy storage product page
|
| operating_temperature_max_c |
50
OneNexus M20 - LONGi energy storage product page
|
| operating_temperature_min_c |
-20
OneNexus M20 - LONGi energy storage product page
|
Interfaces & connectors
| communications |
['Wi-Fi', 'Ethernet', 'CAN', 'RS485']
OneNexus M20 - LONGi energy storage product page
|
Documents
product_page
OneNexus M20 - LONGi energy storage product page
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| builder_completeness | partial |
| region_notes | LONGi global English product page. The grid-connection row names AS/NZS 4777.2:2020, VDE4110, G99 and EN 50549-1&2 / EN 50549-10 for both columns; LONGi publishes one specification, not separate regional editions. |