Knowledge Base › Battery Cabinets
Tesla Megapack 2 XL
Manufacturer documented NA verified Sept. 23, 2026
Page 1 of Megapack 2 XL Datasheet, Revision 1.5.1, February 10, 2023 (https://portal.ct.gov/-/media/csc/3_petitions-medialibrary/petitions_medialibrary/mediapetitionnos1601-1700/pe1607/petitionersubmissions/supplement-attachment-a---megapack_2_xl_datasheet.pdf)
Identity
| category | battery_cabinets |
| manufacturer | Tesla |
| model | Megapack 2 XL |
| product_status | active |
| region | NA |
Electrical
| battery_voltage_class |
HV
Megapack 2 XL Datasheet, Revision 1.5.1, February 10, 2023
|
| chemistry | LFP (LiFePO4) |
| continuous_discharge_current_a | 100.0 |
| cycle_life | 6000 |
| depth_of_discharge_pct | 95.0 |
| dimensions_raw |
8800 mm W x 1650 mm D x 2785 mm H
Megapack 2 XL Datasheet, Revision 1.5.1, February 10, 2023
|
| grid_frequency_hz |
[50, 60]
Megapack 2 XL Datasheet, Revision 1.5.1, February 10, 2023
|
| max_charge_current_a | 80.0 |
| max_charge_power_kw |
[1927, 979]
Megapack 2 XL Datasheet, Revision 1.5.1, February 10, 2023
|
| max_discharge_current_a | 100.0 |
| max_discharge_power_kw |
[1927, 979]
Megapack 2 XL Datasheet, Revision 1.5.1, February 10, 2023
|
| max_inverter_power_kva |
[2400, 1320]
Megapack 2 XL Datasheet, Revision 1.5.1, February 10, 2023
|
| nominal_capacity_ah | 100.0 |
| nominal_capacity_kwh |
[3854, 3916]
Megapack 2 XL Datasheet, Revision 1.5.1, February 10, 2023
|
| nominal_energy_kwh | 5.12 |
| nominal_grid_voltage_v |
480
Megapack 2 XL Datasheet, Revision 1.5.1, February 10, 2023
|
| nominal_voltage_v | 51.2 |
| operating_voltage_max_v | 57.6 |
| operating_voltage_min_v | 44.8 |
| phase_count |
3
Megapack 2 XL Datasheet, Revision 1.5.1, February 10, 2023
|
| round_trip_efficiency_percent |
[92.0, 93.7]
Megapack 2 XL Datasheet, Revision 1.5.1, February 10, 2023
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| usable_energy_kwh | 4.86 |
| weight_raw |
38,100 kg (84,000 lb) maximum
Megapack 2 XL Datasheet, Revision 1.5.1, February 10, 2023
|
Physical / mechanical
| mounting | 19-inch Rack / Wall-mount |
Environment
| ip_rating |
IP66/NEMA 3R (Main Enclosure); IP20 (Thermal System)
Megapack 2 XL Datasheet, Revision 1.5.1, February 10, 2023
|
| operating_temperature_max_c | 60.0 |
| operating_temperature_min_c | -25.0 |
| operating_temperature_range_c |
-30 to 50
Megapack 2 XL Datasheet, Revision 1.5.1, February 10, 2023
|
Interfaces & connectors
| communication | CAN, RS485 |
| communications |
['Modbus TCP', 'DNP3', 'REST API']
Megapack 2 XL Datasheet, Revision 1.5.1, February 10, 2023
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| documented_ports | [{'port_role': 'ETHERNET', 'port_label_from_manual': 'Communications', 'port_type': 'Ethernet', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'document': 0, 'page': 'Communications', 'quote': 'Modbus TCP / DNP3 / REST API'}, {'port_role': 'AC_OUT', 'port_label_from_manual': 'Nominal voltage', 'port_type': '480 V AC 3-phase', 'direction': 'bidirectional', 'electrical_domain': 'AC', 'document': 0, 'page': 'Electrical specifications', 'quote': 'Nominal voltage: 480 V AC 3-phase'}] |
| protocols |
['Modbus TCP', 'DNP3', 'REST API']
Megapack 2 XL Datasheet, Revision 1.5.1, February 10, 2023
|
Certifications
| certifications |
['UL 1973', 'UL 9540', 'UL 9540A', 'UL 1741 SB', 'IEC 62619', 'IEEE 1547']
Megapack 2 XL Datasheet, Revision 1.5.1, February 10, 2023
|
Warranty & service
| warranty_years | 10 |
Documents
product_page
Megapack | Tesla
product_page
Order Megapack | Tesla (configurator)
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| builder_completeness | partial |
| region_notes | 480 V AC three-phase with UL 1973 / UL 9540 / UL 1741 SB certification - the North American specification. Tesla lists 50 or 60 Hz operation, but the certification set and AC voltage on this data sheet are the NA edition. |