Discover Battery 48-48-5120-H
The Discover Battery 48-48-5120-H is a battery pack with a nominal voltage of 51.2 and 5120 Wh of energy.
Last updated: 16 October 2026
What battery it needs
- Circuit breaker it requires
- Dual 100 A (2 Pole Ganged)
“Breaker Dual 100 A (2 Pole Ganged) Dual 100 A (2 Pole Ganged)”
Source: discoverbattery.com/s4x_files/resources/des-aes-rackmount-sell-sheet.pdf
Battery and charging
- Energy (kilowatt-hours)
- 5.12 kWh
- Maximum charge voltage
- Charge Absorption Voltage - U1 MAX 55.2
- Energy
- 5120 Wh
- Voltage
- 51.2
- Rated capacity
- Rated Capacity kWh (1 HR) 5.12
- Rated charge cycles
- 10x the life of lead-acid battery (BCI-06)
- Maximum efficiency
- Up to 98%
- Peak discharge
- Peak Discharge Current (3 seconds) 218 A RMS
- Highest charge current it will take
- 95 A
“Nominal Energy 5.12 kWh 5.12 kWh”
Source: discoverbattery.com/s4x_files/resources/des-aes-rackmount-sell-sheet.pdf
“Charge Bulk Voltage - Bulk Vdc 55.2 Charge Absorption Voltage - U1 MAX 55.2 Charge Float Voltage - U2 53.6 Charge Termination Current(a) 2.5 A Low Voltage Disconnect Recommended 48 Low Voltage Disconnect (b) 43.2”
Source: dev.discoverenergysys.com/s4x_files/resources/808-0040-aes-rackmount-48-48-5120-h-data-sheet.pdf
“900-0067 51.2 100 5120 48-48-5120-H”
Source: discoverbattery.com/s4x_files/resources/discover-lithium-sds.pdf
“900-0067 51.2 100 5120 48-48-5120-H”
Source: discoverbattery.com/s4x_files/resources/discover-lithium-sds.pdf
“Nominal Energy (kWh) 5.12 Useable DoD 100% Rated Capacity kWh (1 HR) 5.12 Rated Capacity Ah (1 HR) 100”
Source: dev.discoverenergysys.com/s4x_files/resources/808-0040-aes-rackmount-48-48-5120-h-data-sheet.pdf
“10x the life of lead-acid battery (BCI-06)”
Source: dev.discoverenergysys.com/s4x_files/resources/808-0040-aes-rackmount-48-48-5120-h-data-sheet.pdf
“• Up to 98% round-trip efficiency”
Source: dev.discoverenergysys.com/s4x_files/resources/808-0040-aes-rackmount-48-48-5120-h-data-sheet.pdf
“Max. Discharge Current (1 hour) 95 A Max. Continuous Discharge Current 70 A Max. Charge Current (1 hour) 95 A Max. Continuous Charge Current 70 A Peak Discharge Current (3 seconds) 218 A RMS”
Source: dev.discoverenergysys.com/s4x_files/resources/808-0040-aes-rackmount-48-48-5120-h-data-sheet.pdf
“Max Current (1 Hour) 95 A 95 A”
Source: discoverbattery.com/s4x_files/resources/des-aes-rackmount-sell-sheet.pdf
Battery care and safety
- Operating temperature range
- Internal Heater Operating Temperature Range -17°C to 8°C (1.4°F to 46.4°F)
- What the battery management system protects against
- Linear scaling of charge, discharge and peak capacity
“Internal Heater Operating Temperature Range -17°C to 8°C (1.4°F to 46.4°F)”
Source: dev.discoverenergysys.com/s4x_files/resources/808-0040-aes-rackmount-48-48-5120-h-data-sheet.pdf
“Up to 184 kWh (per LYNK II Gateway) Linear scaling of charge, discharge and peak capacity”
Source: dev.discoverenergysys.com/s4x_files/resources/808-0040-aes-rackmount-48-48-5120-h-data-sheet.pdf
Size and fit
- Overall dimensions
- Industry Reference 19 inch - 3U rackmount
- Terminals
- Amphenol SurLok Plus
- Group the maker sells it as
- 19 Inch Rack Mount 3U
“Industry Reference 19 inch - 3U rackmount Length (A) (in/mm) 19.6 497.3 Width (B) (in/mm) / incl. Handles 17.3 / 19 439.2 / 482.6 Height (C) (in/mm) 5.3 133.5 Total Height (D) (in/mm) 5.3 133.5”
Source: dev.discoverenergysys.com/s4x_files/resources/808-0040-aes-rackmount-48-48-5120-h-data-sheet.pdf
“Terminal Amphenol SurLok Plus”
Source: dev.discoverenergysys.com/s4x_files/resources/808-0040-aes-rackmount-48-48-5120-h-data-sheet.pdf
“Terminals Amphenol SurLok Plus Amphenol SurLok Plus”
Source: discoverbattery.com/s4x_files/resources/des-aes-rackmount-sell-sheet.pdf
“Form Factor 19 Inch Rack Mount 3U 19 Inch Rack Mount 3U”
Source: discoverbattery.com/s4x_files/resources/des-aes-rackmount-sell-sheet.pdf
Identity
- Model designation
- 48-48-5120-H
- Other name the manufacturer uses
- 900-0067
“AES RACKMOUNT IS FOR RESIDENTIAL OFF-GRID SOLAR AND WHOLE HOME BACKUP POWER. Battery Module 48-48-5120 48-48-5120-H Form Factor 19 Inch Rack Mount 3U 19 Inch Rack Mount 3U L x W x H inch 19.6 x 17.3 x 5.3 19.6 x 17.3 x 5.3 L x W x H mm 497 x 439 x 133.5 497 x 439 x 133.5 Wei”
Source: discoverbattery.com/s4x_files/resources/des-aes-rackmount-sell-sheet.pdf
“900-0067 51.2 100 5120 48-48-5120-H”
Source: discoverbattery.com/s4x_files/resources/discover-lithium-sds.pdf
Buying and owning it
- What it is said to be best for
- RESIDENTIAL OFF-GRID SOLAR AND WHOLE HOME BACKUP POWER
“AES RACKMOUNT IS FOR RESIDENTIAL OFF-GRID SOLAR AND WHOLE HOME BACKUP POWER.”
Source: discoverbattery.com/s4x_files/resources/des-aes-rackmount-sell-sheet.pdf
Certification claims
- Certification claimed by the manufacturer
- Certification Standards UL1973, UL9540, UL9540a, IEC 62619, CE
“Certification Standards UL1973, UL9540, UL9540a, IEC 62619, CE Shipping Classification UN 38.3, UN3480, Class 9 (Lithium batteries)”
Source: dev.discoverenergysys.com/s4x_files/resources/808-0040-aes-rackmount-48-48-5120-h-data-sheet.pdf
Sources
- Archived document
Source: discoverbattery.com/s4x_files/resources/discover-lithium-sds.pdf
Retrieved October 13, 2026
- Archived document
Source: dev.discoverenergysys.com/s4x_files/resources/808-0040-aes-rackmount-48-48-5120-h-data-sheet.pdf
Retrieved October 13, 2026
- Archived document
Source: discoverbattery.com/s4x_files/resources/des-aes-rackmount-sell-sheet.pdf
Retrieved October 13, 2026