Deye AI-W5.1-B
Official manufacturer Global verified Aug. 31, 2026
UNKNOWN
Identity
| category | batteries |
| ean | UNKNOWN |
| generation | UNKNOWN |
| manufacturer | Deye |
| market_version | UNKNOWN |
| model | AI-W5.1-B |
| mpn | AI-W5.1-B |
| product_family | Deye Spring series LFP battery (AI-W5.1 / AI-W5.1-B) |
| product_revision | B (with PDU1-B power distribution unit) |
| product_status | active |
| region | Global |
| release_year | UNKNOWN |
| sku | UNKNOWN |
Electrical
| bms_architecture | {'type': 'stacked modules under a PDU1-B power distribution unit', 'separate_master_bmu_required': True, 'external_controller': 'PDU1-B (supplied)', 'modules_per_stack': '1-6', 'max_parallel_groups': '36 units maximum cluster configuration (datasheet V2.0)'} |
| chemistry | LFP |
| communication_can | True |
| communication_rs485 | True |
| firmware_requirements | UNKNOWN (Deye compatibility list advises confirming with inverter supplier; no version numbers listed) |
| inverter_protocol_setup_code | CAN 00 (Deye inverter lithium-mode battery-protocol selection number for all Deye-brand LV batteries, per Approved Battery list DY-LV48-0109, 2025-07-24) |
| max_continuous_charge_current_a |
100
AI-W5.1-B datasheet V2.0 (A LV Stack Battery) — datasheet V2.0, 'Max Charge/Discharge Current (1-6 modules) 100, 180, 250, 250, 250, 250 A'
|
| max_continuous_discharge_current_a | 100 |
| max_continuous_power_kw | 5.12 |
| max_parallel_units | 6 |
| max_series_units | N/A (LV parallel stack) |
| min_series_units_hv | N/A |
| nominal_energy_kwh | 5.12 |
| nominal_voltage_v | 51.2 |
| officially_supported_inverter_brands | ['Deye', 'Sunsynk', 'Sol-Ark', 'Jinko', 'Voltronic', 'LuxPower', 'Growatt', 'Victron', 'SMA', 'GoodWe'] |
| officially_supported_inverter_models | ['Victron MultiPlus', 'Victron MultiPlus II', 'Victron Quattro', 'Victron EasySolar', 'SMA SI 4.4M/6.0H/8.0H', 'GoodWe GW3648D-ES', 'GoodWe GW5048D-ES', 'GoodWe GW3048-EM'] |
| peak_current_a |
150
AI-W5.1-B datasheet V2.0 (A LV Stack Battery) — datasheet V2.0, 'Peak Current (10s @ 25C, 1-6 modules) 150, 270, 360, 360, 360, 360 A'
|
| supported_inverter_protocols | ['Deye CAN/RS485'] |
| usable_energy_kwh | 4.6 |
| voltage_class | LV |
| voltage_range_v | 43.2-57.6 |
Physical / mechanical
| depth_mm | 255 |
| height_mm | 300 |
| mounting_bolt_size | UNKNOWN |
| mounting_type | ['wall', 'floor'] |
| rack_units | N/A (stackable wall/floor module) |
| shipping_weight_kg | UNKNOWN |
| terminal_locations | PDU1-B power distribution unit sits on top of the stack |
| torque_specs | UNKNOWN |
| weight_kg | 53 |
| width_mm |
720
AI-W5.1-B datasheet V2.0 (A LV Stack Battery) — datasheet V2.0, 'Module Dimension (W*D*H) 720*255*300 mm'
|
Installation
| indoor_outdoor | indoor/outdoor - IP65 after stacking |
| installation_humidity_range | 5%-95% |
| max_installation_altitude_m | 2000 |
| mounting_orientation | stacked, wall-mounted or floor-mounted |
Environment
| charge_temperature_c | 0 to +55 |
| cooling_method | natural convection |
| discharge_temperature_c | -20 to +55 |
| ip_rating |
IP65 (after stacking)
AI-W5.1-B datasheet V2.0 (A LV Stack Battery) — datasheet V2.0, 'IP65 (after stacking)'
|
| max_altitude_m | 2000 |
| relative_humidity | 5%-95% |
| storage_temperature_c | 0 to +35 |
Interfaces & connectors
| can | yes - CAN 2.0 |
| protocol_notes | Stack architecture: modules connect to a PDU1-B power distribution unit; 1500 mm power and communication cables supplied. |
| rs485 | yes |
Certifications
| emc | [] |
| grid_codes | ['CEI 0-21'] |
| other | ['CEC'] |
| regional | ['CE', 'UKCA'] |
| safety | ['IEC 62619', 'VDE 2510-50', 'CE-LVD'] |
| transport | ['UN38.3'] |
Warranty & service
| cycle_life |
>=6000 (25 C +/- 2 C, 0.5C/0.5C, 90% DOD, 70% EOL)
AI-W5.1-B datasheet V2.0 (A LV Stack Battery) — datasheet V2.0, 'Cycle Life >=6000 (25C+/-2C, 0.5C/0.5C, 90% DOD, 70% EOL)'
|
| design_life_years | UNKNOWN |
| energy_throughput | 16 MWh per battery module @70% EOL |
| standard_years | 10 |
Documents
certificate
{# Located but never retrieved: listed, but deliberately not linked, and it
backs no stored value. #}
IEC 62040 certificate AI-W5.1-B (SG-SGS-00788-1) — located, not retrieved
rev UNKNOWN
datasheet
{# Located but never retrieved: listed, but deliberately not linked, and it
backs no stored value. #}
Deye AI-W5.1-B series brochure 20250428 v1.0 — located, not retrieved
rev v1.0
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| Energy Throughput | 16MWh (Battery Module @70% EOL) |
| Max Scalability | 6 modules in parallel per stack; 36 units maximum cluster configuration |
| Usable Energy (1-6 modules) | 4.6, 9.2, 13.8, 18.4, 23, 27.6 kWh |