Chord PB-959 Pedal Power Bank User Manual

Quick guide from the manual

The Chord PB-959 is a portable power bank designed for wire-free operation of effect pedals. It features dual 9V DC outputs and a 5V USB output. Important: Do not use the USB and 9V outputs simultaneously. Ensure all connected pedals operate on 9V DC with centre-negative polarity.

Charging the device

Before first use, it is recommended to fully charge the power bank. Connect the supplied USB A to micro-B lead to the micro-B socket (8) and a 5V USB power supply (minimum 2A output, not included). A full charge takes approximately 5 hours, indicated by 4 steady red LEDs.

Operation

• 9V Pedal Power: Connect the supplied DC jack leads from the 9V outputs (4, 7) to your pedals. Press and hold the 9V Power Button (3) for 2 seconds to activate. The 9V power LED and charge status indicators will light. To switch off, press and hold the button again.
• USB Power: Connect a device to the USB-A socket (5). The power bank will automatically deliver 5V (2A max). The unit switches off automatically when the device is fully charged.
• LED Torch: Double-press the 9V Power Button (3) to toggle the built-in LED torch (6) on or off.

Charge Status Indicators

• 4 indicators lit: Charge Level ≥75%
• 3 indicators lit: Charge Level ≥50%, <75%
• 2 indicators lit: Charge Level ≥25%, <50%
• 1 indicator lit: Charge Level ≥3%, <25%
• 1 indicator flashing: Charge Level <3%

Technical Specifications

• Capacity: 10,000mAh
• Outputs: 2 x 9Vdc (1.2A total, DC5521 centre-negative) or 1 x 5Vdc (2A, USB)
• Dimensions: 147 x 65 x 17mm
• Weight: 255g