BCS Series Battery Charger/Simulator

Sept. 16, 2022
The BCS Series from B&K Precision allows users to charge, discharge, and simulate batteries used in portable and wearable electronic devices.

Optimized for testing batteries and battery-operated devices, the BCS Series battery charger/simulator consists of a single and dual channel model in a compact 2U form factor. It features source/sink capabilities, a bipolar output, and variable output impedance. Additionally, this series serves as a precision DC power supply with good transient response times, high current readback resolution, and low ripple/noise characteristics. The single channel model delivers up to 150 W of output power while the dual channel model offers up to 45 W per channel.


Battery simulation mode allows users to configure battery parameters including capacity, voltage, and internal resistance to evaluate a device under test. In addition, these instruments feature comprehensive battery charge and discharge capabilities with configurable stop conditions. When enabled, the relay off function offers electrical isolation from connected batteries to prevent parasitic drain.


Both models also provide list mode programming, internal storage for custom battery simulation profiles, and a rear panel digital voltmeter. Remote PC interfaces include USB (USBTMC-compliant) and LAN interfaces supporting SCPI commands.

  • Source or sink up to 150 W with 2-quadrant operation
  • Compact 2U form factor
  • Dual channel and dual range operation (model BCS6401 only)
  • Perform battery charge, discharge, and simulation tests
  • Bipolar output
  • Sink current up to 5 A
  • Variable output impedance 0 to 1 Ohm
  • Low noise < 3 mVpp
  • Fast load recovery time
  • High 100 nA current readback resolution
  • OVP, OCP, OTP, and key-lock protections
  • USB (USBTMC-compliant) and LAN interfaces standard