SOK Server Rack Battery Specifications

Electrical Properties

• Model SK48v100
• Nominal Voltage 51.2 (48v Range)
• Nominal Capacity 100Ah
• Run Time at 20A Load (~1000w) 300 Minutes
• Energy 5120Wh
• Self Discharge < 3% per month
• Max Batteries in Series 1
• Max Batteries in Parallel (with BMS communication) 15*
• Maximum Terminal Feedthrough Current 310 Amps (Cont), 450a (Surge) 

Discharge Performance

• Max Continuous Discharge Current 100A (1C)
• Peak Discharge Current 125A (3 Seconds, automatic shutdown)
• Short Circuit Protection 300a, 200µs
• BMS Low-Voltage Disconnect 46v
• BMS Low-Voltage recover 48v 

Charge Performance

• Recommended Charge Current 0~63A
• Maximum Charge Current (Continuous) 100A
• Recommended Charge (Absorption) Voltage 57.6
• BMS Cell Protection Voltage 3.7v
• BMS Pack Protection Voltage >58.2v

Temperature Performance

• Discharge Temperature -4°F – 140°F
• Charge Temperature 32°F – 113°F
• Storage Temperature 23°F – 95°F
• Low Temperature Charge Protection Yes
• Internal Temperature Sensors 4 Cell Sensors, 1 BMS Sensor, 1 Ambient Air Sensor 

Physical Properties

• Case Material Powder-Coated Steel
• Rack Mountable Yes, 4U
• Dimensions Width: 17.5in (Without ears – Fits standard 19″ rack with ears installed) Height: 7in (4 rack units) Depth: 18in + 1 1/4″ for handles / terminals
• Unit Weight 99.2Lbs
• Weather Rating IP20
• Third Party Testing Pack UL1973 Testing Passed – Certified packs anticipated to ship from Current Connected September 2022 UL9540 Testing in progress. ETA Q4 2022
• Shipping Classification UN3480, Class 9, MSDS