SOK SK48V100-NCBT – 48V 100Ah Base User Serviceable Rack Battery


Current Connected is the lead distributor of the SK48V100-NCBT in the United States!

The SOK SK48V100-NCBT Server Rack Battery is a breakthrough in 48V battery technology. It is modular and user-friendly, making it ideal for a wide range of applications, including data centers, telecom rooms, and whole home backup systems. Each module has a capacity of 5.12 kWh, so a system built upon the SK48v-NCBT can provide hours of power to heavy loads. A high reliability design makes it a perfect storage solution for critical applications.


  • Capacity: 100Ah
  • Voltage: 48V (16s 51.2)
  • Max Continuous Current: 80A (.8C)
  • Discharge Temperature Range: 20° to 113° F (-6° to 45° C)
  • Detachable Cover, Replaceable BMS & Cells
  • Smart BMS with Bluetooth functionality
  • Low Temperature Charging Protection
  • Overcharging, Discharging, and Short Circuit Protection
  • 7-year Warranty with US based tech support
  • Includes a 5-slot rack free of charge with the purchase of a complete set of 5 batteries.
  • Minimalistic design means you aren’t paying for features you don’t need

180 in stock





The SOK SK48V100-NCBT battery is not UL listed, nor is it planned to be UL listed. If these listings are important, please consider the advanced UL1973 certified SOK 48V 100Ah Server Rack Battery. Additionally, the BMS within this battery has basic Bluetooth functionality for troubleshooting, but the BMS does not substitute an advanced battery monitor. For this functionality, consider a BMV-712 or SmartShunt.

Current Connected is the only authorized SOK repair facility in the United States

The SOK SK48v100-NCBT Server Rack Battery

The SOK SK48V100-NCBT Battery is revolutionizing the world of 48V batteries with its modular and user-friendly design. Whether you need to power a datacenter, telecom room, or a whole home backup system, this battery delivers remarkable capacity in a minimal amount of space. With each module boasting a capacity of 5.12 kWh, a system equipped with five batteries can effortlessly sustain heavy loads for hours, providing you with the power you need when you need it most.

Uncompromising Quality and Safety

SOK has a longstanding reputation for delivering exceptional quality and safety at a value-conscious price point, and the SK48V100-NCBT is no exception. This Grade A+ Lithium Iron Phosphate (LiFePO4) battery is designed to seamlessly fit into standard 19” EIA server-rack type battery enclosures or the custom-built SOK Battery Rack. With a 16S (48V nominal) 5.12 kWh LiFePO4 battery bank and a digital battery management system (BMS), the SK48V100-NCBT ensures automated and maintenance-free battery operation. Additionally, this battery offers a typical lifespan of over 4000 cycles.

Versatility and Expandability

The SK48V100-NCBT battery is an ideal choice for medium to large-scale off-grid and grid-interactive energy storage systems (ESS), telecom and server room backup applications, as well as mobile installations requiring a 48V battery. Its reliability, expandability, quality, safety, and serviceability make it a perfect fit for a wide range of applications.

Here are some key advantages and features of the SOK SK48V100-NCBT:

  1. User-Serviceable Design: Unlike competing batteries that are permanently sealed and non-serviceable, the SOK battery allows easy field servicing. You can replace every component within the battery pack using just a Phillips screwdriver.
  2. Enhanced Safety Features: The built-in smart BMS provides comprehensive protection against overcharging, discharging, and short circuits. It also features low temperature charging protection, ensuring optimal performance even in extreme conditions.
  3. Extended Life: Cells retain 80% capacity after 4000 cycles, even at a 100% DOD with a .8C rate.
  4. Quick and Easy Installation: Designed for rack mounting, the battery facilitates swift and effortless setup, saving you time and effort.
  5. Enhanced Temperature Monitoring: Equipped with 3 temperature sensors to safeguard against extreme temperatures.

Recommended Accessories:

Additional information

Weight 97.5 lbs

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What is the stud size on the terminals? 1/2"? 3/8"? Can't find this info in your online manual.



Great question! They are M8x1.25 - for a ring terminal it would be best to use a 5/16" diameter terminal. The recommended torque for tightening these terminals is 20 Ft-lbs