BATT | Lithium Battery Ultra-Low Noise Linear Power Supply

Description

Based on the LT3042 chip with PNP current expansion, this unit delivers DC power with near-zero noise (as low as 1μV)—significantly quieter than conventional regulators like LM317/78XX.
Powered by 4 Samsung 21700 batteries (20,000mAh total), it provides clean, stable energy free from AC interference, making it ideal for precision instruments, noise-sensitive RF systems, DACs, and digital audio transports.
A pure power solution for stable performance and detailed sound.

Core Technical Features


1. Ultra-Low Noise Power Output

  • Incorporates Linear Technology's premium LT3042 regulator with PNP current boost
  • Achieves noise voltage as low as 1μV - 2-3 levels better than conventional LM317/LM78XX regulators
  • 1% voltage accuracy for near-zero noise DC power supply


2. High-Performance Battery System

  • Equipped with 4 Samsung 21700 lithium cells (5000mAh each)
  • Superior volumetric energy density compared to standard lithium batteries
  • Battery power completely isolates AC line interference for purest power


3. Audio-Optimized Performance

  • Clean power delivery dramatically improves sound quality
  • Eliminates high-frequency harshness caused by current noise
  • Expands dynamic range for more stable musical presentation
  • Enhances detail retrieval and creates more realistic soundstage

Recommended Applications:

  • High-precision measurement instruments
  • Noise-sensitive RF applications
  • DAC audio converters
  • USB interface devices
  • Digital music transports
  • Professional mobile power requirements

Safety Instructions


※ Important lithium battery safety precautions:

√ Use only the included charger
√ Turn off both switches when not in use
√ Avoid leaving powered on unattended

Basic Parameters


Dimensions: 100mm(W)×155mm(D)×47mm(H)
Weight: Approximately 0.65-0.72kg (lightweight and portable)
Included Accessories: 5.5×2.1 DC cable (0.8m)×1, Charging adapter×1

Available Versions


Two versions available for different requirements:

5V Output Version

Input Voltage: DC9V

Output: DC5V@2A

Output Interfaces: USB + DC5.5mm/2.1mm (center positive) + aviation 2-pin connector

Runtime: Approximately 7 hours at 1.25A load

12V Output Version

Input Voltage: DC16.8V
Output: DC12V@2A
Runtime: Approximately 2 hours at 2A load

Operating Modes


Multiple operation modes supported:

Off Mode: Both input and output switches off
Charging Mode: Input switch on, output switch off
Charging with Output: Both switches on
Battery Output Only: Input switch off, output switch on


Charging Status Indicators:

Orange LED: Charging in progress
Green LED: Fully charged

User Manual：Download

BATT | Lithium Battery Ultra-Low Noise Linear Power Supply

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$168.00

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    Description

    Based on the LT3042 chip with PNP current expansion, this unit delivers DC power with near-zero noise (as low as 1μV)—significantly quieter than conventional regulators like LM317/78XX.
    Powered by 4 Samsung 21700 batteries (20,000mAh total), it provides clean, stable energy free from AC interference, making it ideal for precision instruments, noise-sensitive RF systems, DACs, and digital audio transports.
    A pure power solution for stable performance and detailed sound.

    Core Technical Features


    1. Ultra-Low Noise Power Output

    • Incorporates Linear Technology's premium LT3042 regulator with PNP current boost
    • Achieves noise voltage as low as 1μV - 2-3 levels better than conventional LM317/LM78XX regulators
    • 1% voltage accuracy for near-zero noise DC power supply


    2. High-Performance Battery System

    • Equipped with 4 Samsung 21700 lithium cells (5000mAh each)
    • Superior volumetric energy density compared to standard lithium batteries
    • Battery power completely isolates AC line interference for purest power


    3. Audio-Optimized Performance

    • Clean power delivery dramatically improves sound quality
    • Eliminates high-frequency harshness caused by current noise
    • Expands dynamic range for more stable musical presentation
    • Enhances detail retrieval and creates more realistic soundstage

    Recommended Applications:

    • High-precision measurement instruments
    • Noise-sensitive RF applications
    • DAC audio converters
    • USB interface devices
    • Digital music transports
    • Professional mobile power requirements

    Safety Instructions


    ※ Important lithium battery safety precautions:

    √ Use only the included charger
    √ Turn off both switches when not in use
    √ Avoid leaving powered on unattended

    Basic Parameters


    Dimensions: 100mm(W)×155mm(D)×47mm(H)
    Weight: Approximately 0.65-0.72kg (lightweight and portable)
    Included Accessories: 5.5×2.1 DC cable (0.8m)×1, Charging adapter×1

    Available Versions


    Two versions available for different requirements:

    5V Output Version

    Input Voltage: DC9V

    Output: DC5V@2A

    Output Interfaces: USB + DC5.5mm/2.1mm (center positive) + aviation 2-pin connector

    Runtime: Approximately 7 hours at 1.25A load

    12V Output Version

    Input Voltage: DC16.8V
    Output: DC12V@2A
    Runtime: Approximately 2 hours at 2A load

    Operating Modes


    Multiple operation modes supported:

    Off Mode: Both input and output switches off
    Charging Mode: Input switch on, output switch off
    Charging with Output: Both switches on
    Battery Output Only: Input switch off, output switch on


    Charging Status Indicators:

    Orange LED: Charging in progress
    Green LED: Fully charged

    User Manual：Download

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