Lithium Battery Ultra-Low Noise Linear Power Supply

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BATT | Lithium Battery Ultra-Low Noise Linear Power Supply

Name: BATT | Lithium Battery Ultra-Low Noise Linear Power Supply
Brand: LHY Audio
Price: 158.0 USD
Availability: InStock

$158.00

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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.

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Output Voltage: 5V / 2A

5V / 2A

5V / 2A 5V / 2A

12V / 2A

12V / 2A 12V / 2A

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Specifications Specifications

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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: https://www.lhy-audio.com/documents/Manual/BATT User Manual（Version 1.0）.pdf

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