Power Bank Voice Recorder

Part of our range of listening and recording devices, this portable power bank functions as an emergency phone battery charger while concealing a long-term audio DVR for covert audio surveillance.

Because external battery packs are carried by millions of people every day, deploying a power bank voice recorder allows you to gather vital audio evidence on the go without raising suspicion.

Hand-built for professional and domestic applications, it provides an ideal monitoring solution when placed on an office desk, kept inside a vehicle, or attached to metal surfaces.

Discreet Bezel Activation & 150-Day Standby Runtime

What sets this unit apart is its intuitive, stealthy operation.

Recording mode is selected simply by rotating the discreet bezel switch clockwise for voice activation (SVOS) or counter-clockwise for continuous recording.

When turned on, a small internal LED illuminates for 5 seconds before switching off completely, leaving zero active lights or giveaway indicators during deployment.

In voice-activated standby mode, the power bank voice recorder remains powered for up to 150 days while awaiting sound triggers.

During active continuous recording, the internal 3,000 mAh battery provides an astounding 12 to 14 days of uninterrupted audio capture per full charge.

32 GB Memory Capacity & Scheduled Recording Options

Equipped with 32 GB of internal flash memory, the power bank voice recorder holds up to 1,152 hours of MP3 audio files across up to 9,999 individual tracks.

This upgraded model also features a scheduled recording utility, allowing you to pre-program a single timed recording event via Windows PC software.

The sensitive internal microphone picks up crisp room conversation across a 9-metre (29-foot) radius in quiet environments.

Every recorded file is watermarked with an accurate time and date stamp for evidential tracking and clear chronological cataloguing.

Functional Phone Charger & Versatile Magnetic Deployment

When not actively capturing audio, the unit functions as a genuine power bank with an LED power indicator to recharge smartphones and tablets via USB.

If anyone questions its authenticity, simply plug in a charging cable to demonstrate its real battery charger functionality.

A supplied detachable magnetic strip attaches securely to the casing, enabling quick mounting under vehicle seats, beneath metal desks, or behind radiators.

Reviewing files is straightforward: connect the unit to any Windows PC or Mac using the supplied USB cable to play back MP3 files using default software like VLC Media Player.

This development remains one of our top hidden audio recorders for both professional or amateur audio surveillance tasks.

Provided you deploy your equipment for lawful purposes, situations that suit using a voice recording device cover a wide range of corporate asset protection, vehicle security, and personal safety needs.

To learn more about setting up your power bank voice recorder, please feel free to contact our expert team today.

Is the power bank voice recorder silent and discreet during operation?

Yes. The device operates 100% digitally with no mechanical moving parts, relays, or buzzers. It remains completely silent throughout activation and recording, with zero giveaway sounds.

Are there any flashing lights visible while the power bank voice recorder is recording?

No. When turned on via the bezel switch, a discreet LED illuminates for 5 seconds to confirm start status before extinguishing completely. No lights remain on during active recording.

Do the recorded files feature an evidential time and date stamp?

Yes. Every separate audio file created by the device is watermarked with an accurate time and date stamp for clear chronological tracking and legal record-keeping.

Can I charge my phone with the power bank voice recorder while it is actively recording?

No. The device cannot record audio and charge an external mobile phone simultaneously, as both high-drain functions draw power from the same internal lithium battery.

Will the microphone still pick up clear audio if the power bank voice recorder is hidden?

Yes. The sensitive microphone captures ambient room speech up to 9 metres away. However, placing the unit inside thick padded boxes or deep under heavy cushions will deaden overall microphone pickup.

How do I listen to recordings captured on the power bank voice recorder?

Connect the device to a PC or Mac using the supplied USB cable to play MP3 files via default media software. You can also review files on a compatible smartphone using an OTG adapter cable.

Does the power bank voice recorder record one long continuous file or separate tracks?

In voice-activated mode, the system creates a separate file for each sound event. In continuous mode, it records uninterrupted audio, auto-splitting files every 5 hours to prevent file corruption.

You will need to consider the following to use this battery pack recorder:

• Recorded files are not password-protected on the internal flash drive; store your device securely to maintain data privacy.
• To maintain lithium-polymer battery health over long periods, fully charge and discharge the battery at regular operational intervals.
• Reviewing recorded audio files on a computer requires a PC or Mac equipped with speakers and a standard USB port.
• Playback requires standard media player software installed on your computer; we recommend downloading free, universal media player software such as VLC Media Player.
• Configuring the initial time/date stamp software, VOS sensitivity, or scheduled timer requires access to a computer running Microsoft Windows OS.
• Using the unit to charge external mobile phones requires your own standard USB phone charging lead (not supplied as standard).

• Fully functional 3,000 mAh portable phone charger concealing a covert long-term audio DVR.
• Discreet rotating bezel switch selects voice-activated (SVOS), continuous, or off modes silently.
• Super Voice Operated System (SVOS) provides an extraordinary 150-day standby battery deployment.
• Delivers up to 14 days of continuous uninterrupted audio recording runtime per full battery charge.
• Inbuilt 32 GB flash memory stores up to 1,152 hours of MP3 audio recordings (up to 9,999 files).
• High-sensitivity internal microphone comfortably captures speech across a 9-metre (29-foot) radius.
• Pre-programmable daily scheduled recording function allows automated timed audio capture.
• Detachable heavy-duty magnetic strip enables rapid attachment to iron or steel surfaces.
• Watermarks every recorded file with an evidential time and date stamp for accurate tracking.
• 5-Level LED indicator array displays power bank battery health and charging status.
• Plug-and-play USB file playback compatible with Windows 10/11, Mac OS X, and OTG smartphone readers.

• Product Type: Covert Audio DVR Concealed in Portable Emergency Power Bank
• Power Supply: Internal 3.7V / 3,000 mAh Rechargeable Lithium-Polymer Battery
• Standby Battery Life: Up to 150 Days in Voice-Activated (SVOS) Mode
• Continuous Recording Battery Life: Up to 14 Days Continuous Audio Capture
• Battery Charge Time: 3 to 5 Hours via USB Input (DC 5V 1A)
• External Power Output: USB Type-A Port (DC 5V / 2A Max Output)
• Internal Memory Capacity: 32 GB High-Speed Flash Memory (Stores up to 1,152 Hours Audio)
• Audio Encoding Format: MP3 (64 Kbps Bitrate / XHQ and HQ Modes)
• Microphone Pickup Radius: High-Sensitivity Internal Microphone (Up to 9-Metre Radius)
• Time & Date Stamp: Yes (Requires initial setup utility via Windows PC)
• Physical Dimensions & Weight: 93 mm x 27 mm x 23 mm; Weight: 75 g
• Operating System Compatibility: Windows OS and Mac OS X (Time/date utility requires Windows)

• Power Bank Voice Recorder Main Unit (32 GB)
• Detachable Heavy-Duty Magnetic Strip
• USB Data Transfer and Charging Cable
• Step-by-Step User Operating Instructions
• Full UK Email and Phone Technical Support