PowerTech Systems PowerRack
The PowerTech Systems PowerRack is a battery pack with a nominal voltage of 51.2 V, a nominal capacity of 50 Ah, a capacity of 50 Ah, LiFePO4 cells, certification to Type Approval and a weight of 28 kg.
Last updated: 30 October 2026
Battery and charging
- Capacity (amp-hours)
- 50 Ah
- Energy (kilowatt-hours)
- 2.56 kWh
- Voltage
- 51.2 V
- Chemistry
- LiFePO4
- Nominal capacity
- 50 Ah
- Working voltage range
- 44.0 V / 51.2 V / 58.4 V
- How fast it loses charge sitting idle
- <3% per month
“Stored Energy 2.56 kWh / 50 Ah”
Source: powertechsystems.eu/wp-content/uploads/specs/Fiche PowerRack_EN.pdf
Row from the maker’s page: “Stored Energy” | “2.56 kWh / 50 Ah”
Source: powertechsystems.eu/wp-content/uploads/specs/Fiche PowerRack_EN.pdf
“Voltage min. / nom. / max. 44.0 V / 51.2 V / 58.4 V”
Source: powertechsystems.eu/wp-content/uploads/specs/Fiche PowerRack_EN.pdf
Row from the maker’s page: “Voltage min. / nom. / max.” | “44.0 V / 51.2 V / 58.4 V”
Source: powertechsystems.eu/wp-content/uploads/specs/Fiche PowerRack_EN.pdf
Row from the maker’s page: “Lithium-ion technology” | “Lithium Ferro Phosphate (LiFePO4 – LFP)”
Source: powertechsystems.eu/wp-content/uploads/specs/Fiche PowerRack_EN.pdf
Row from the maker’s page: “Stored Energy” | “2.56 kWh / 50 Ah”
Source: powertechsystems.eu/wp-content/uploads/specs/Fiche PowerRack_EN.pdf
Row from the maker’s page: “Voltage min. / nom. / max.” | “44.0 V / 51.2 V / 58.4 V”
Source: powertechsystems.eu/wp-content/uploads/specs/Fiche PowerRack_EN.pdf
Row from the maker’s page: “Self discharge” | “<3% per month in stand by”
Source: powertechsystems.eu/wp-content/uploads/specs/Fiche PowerRack_EN.pdf
Battery care and safety
- Temperatures it may be run in
- -20 °C à +50 °C
Row from the maker’s page: “Operational discharge temperature” | “-20 °C à +50 °C (nominal : 25 °C)”
Source: powertechsystems.eu/wp-content/uploads/specs/Fiche PowerRack_EN.pdf
Size and fit
- Weight
- 28 kg
- Width
- 48.2 cm
- Height
- 13.5 cm
- Terminals
- M8
- Series and parallel connection
- Up to 20 modules in series
“Height 13.5 cm (3U) Connector M8 Weight 28 kg”
Source: powertechsystems.eu/wp-content/uploads/specs/Fiche PowerRack_EN.pdf
Row from the maker’s page: “Weight” | “28 kg”
Source: powertechsystems.eu/wp-content/uploads/specs/Fiche PowerRack_EN.pdf
Row from the maker’s page: “Width” | “48.2 cm (19 inches standard)”
Source: powertechsystems.eu/wp-content/uploads/specs/Fiche PowerRack_EN.pdf
Row from the maker’s page: “Height” | “13.5 cm (3U)”
Source: powertechsystems.eu/wp-content/uploads/specs/Fiche PowerRack_EN.pdf
Row from the maker’s page: “Connector” | “M8”
Source: powertechsystems.eu/wp-content/uploads/specs/Fiche PowerRack_EN.pdf
Row from the maker’s page: “Serial set-up” | “Up to 20 modules in series”
Source: powertechsystems.eu/wp-content/uploads/specs/Fiche PowerRack_EN.pdf
Certification claims
- Standard certified to
- Type Approval
“PowerRack® system is now approved by Bureau Veritas Marine & Offshore and is Type Approval certified for marine application.”
Source: powertechsystems.eu/products/powerrack-scalable-lithium-ion-energy-storage-system
Sources
- Archived document
Source: powertechsystems.eu/wp-content/uploads/specs/Fiche PowerRack_EN.pdf
Retrieved October 28, 2026
- Archived document
Source: powertechsystems.eu/products/powerrack-scalable-lithium-ion-energy-storage-system
Retrieved October 28, 2026