Fully Loaded 25kWh SOK 48v Rack Battery Kit


Kit Includes:

  • 5x SOK 48v 100ah LiFePO4 Server Rack Batteries
  • 1x 5 Slot Rack
  • 4 sets of 9 inch 2/0 pure copper battery interconnection cables
  • 1 set of 7 foot 4/0 pure copper main power leads
  • 4 sets of 1 foot long RJ45 pack to pack communication cables
  • 1 set of 6 foot long RJ45 rack to rack communication cables




Don’t just go off-grid, make your own grid!  With this battery kit, we include everything you need to assemble a massive 25 kWh battery pack.  Simply add an inverter/solar controller with this kit and set off to the races.

Battery Specs

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 (BMS Off)
  • ~2% per day (BMS On)
Max Batteries in Series 1
Max Batteries in Parallel (with BMS communication) 15*
Maximum Terminal Feedthrough Current 350 Amps
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
  • 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
  • UL1973 Certified by Intertek Laboratories
  • UL9540A Testing in progress.  ETA Q2 2023
  • UL9540 Testing in progress with Sol-Ark Inverters. ETA Q4 2023
Shipping Classification UN3480, Class 9, MSDS


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