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Battery Backup Systems &
Power Supplies
Flooded (Vented) Batteries
SR Series
STZ Series
STT Series
ZR Series

Specialty Batteries
Ni-Cad (Wet) Batteries
Ni-Zn Batteries
Cyclon Battery Packs

Valve Regulated Batteries
AFT/GFT Series
VRZ Series
GFM Series
S Series
G Series

Battery Enclosures & Racks
Cool Cell Battery Enclosures
Battery Racks

Battery Monitoring
M2000 Battery Monitor/Analyzer

Testing Equipment
SBS-1001 Digital Hydrometer / Voltage Meter
SBS-2002 Digital Hydrometer
Battery Monitor / Ground Fault Locator
Switchboard Monitor
SBS-3000 Series Battery Interrogators
DSM200 and DSM600 Digital Micro-Ohmmeters
SBS-IM and ECO-VRI Conductance Testers

Load Banks
BCT-3000 Battery Capacity Tester
BCT-5000 Battery Capacity Tester
RBL Series DC Load Testers
GL-1000 Series DC Load Testers

Rechargeable Batteries
Nickel Metal Hydride (Ni-MH) Batteries
Nickel Cadmium (Ni-Cd) Batteries
Lithium Ion (LiON) Batteries

Battery Chargers
PSC Series
DCT Series
Smart Chargers

Battery Maintenance Supplies
Hydrogen Detector
1 Inch Pound Torque Wrench
Watering Carts
Water Deionizer
Corrosion Preventative
Eye Wash
Unbreakable Hydrometers

UPS / Power Quality / Generators
Single Phase UPS Systems
Three Phase UPS Systems

DC Power Solutions
Inverters, Coverters, Modules, and more

Product Categories

SBS RBL Series Electronic Constant Current DC Load Testers

SBS RBL series load banks are ideal for testing large batteries, power supplies, fuel cells, and other related DC power equipment. The high-range current capability and constant power feature facilitate battery testing and analysis. The ultra-fast slew rate provides unmatched power supply transient testing capabilities. The ultra-low voltage, high current capability makes the SBS Electronic Load Tester a sound solution for any fuel cell requirement.

RBL Series Load Banks
(0-600V and 0-1,000 amps)


  • Ratings from 0-600 volts, 0-1,000 Amps, up to 4,000 watts in a single unit
  • Units available in 50V, 100V, 400V or 600V:
    • 800 Watt
      (8"W x 5.25"H x 22"D)
    • 2,000 Watt
      (19"W x 5.25"H x 22"D)
    • 4,000Watt
      (19"W x 8.75"H x 22"D)
  • Variable speed fans minimize fan noise
  • Master/Slave paralleling
  • Five modes of operation: Constant Current, Constant Resistance, Constant Power, Constant Voltage, Pulse Mode
  • Synchronized paralleling for larger systems that are controlled simultaneously
  • Programmable under voltage
  • Internal pulse generator with variable slew adjustable for transient testing.

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