7.4V 6Ah 18650 Lithium Ion Battery Pack

Product Number:
04DQ0005-13T
Nominal voltage:
7.4V
Nominal capacity:
7.8Ah
Battery Configuration:
18650-2S3P
Dimension:
144×59.8×22.5mm
Application:
Handheld Spectrum Analyzer
SMBUS communication, Gold-plated output, Multiple protection
Product Overview
This battery pack is designed for handheld spectrum analyzers used in RF testing, communication diagnostics, and field signal analysis scenarios. It supports long-duration continuous operation in compact space with stable output and SMBUS smart communication for improved accuracy and reliability.

Electrical Specifications

Property Parameter
Product Number 04DQ0005-13T
Cell Model 18650/3.7V/2600mAh
Battery Configuration 18650-2S3P
Nominal Voltage 7.4V
Nominal Capacity 7.8Ah
Rated Energy 57.72Wh
Charging Voltage 8.4V
Discharge Cut-off Voltage 6.0V
Standard Charging Current ≤2A
Standard Discharge Current 1A
Max Continuous discharge current 6A
Internal Resistance ≤160mΩ

Mechanical & Environmental

Property Parameter
Charging Temperature 0~45℃
Discharge Temperature -20~60℃
Storage temperature -20~45℃
Dimensions 144×59.8×22.5 mm (Max)
Weight 500g
Output Type Standard DC output
Battery Case Engineering plastic
Communication Protocol SMBUS
Protection Rating Not specified
Protection System Short circuit, overcharge, overdischarge, overcurrent protection

Application Background

This battery pack is designed for handheld spectrum analyzers, widely used in RF testing, communication diagnostics, and field signal analysis.
The device requires stable long-duration operation in complex electromagnetic environments, demanding high power stability, communication reliability, and compact structure.

Project Challenges

Continuous operation requirement: 6–10 hours
High-precision spectrum acquisition requires stable voltage output
SMBUS communication requires real-time and reliable data transmission
Frequent charge/discharge cycles demand long cycle life

Customized Battery Solution

7.4V 2S3P architecture: stable power output for precision instruments
SMBUS smart communication: enables accurate SOC and temperature monitoring
Gold-plated spring contacts: improve conductivity and connection reliability
Multiple protection system: overcharge, overdischarge, overcurrent, short-circuit protection

Application Results

Improved long-duration testing stability
Ensured accuracy and consistency of spectrum data acquisition
Enhanced reliability in complex field environments
Extended battery cycle life and overall device service life

We support flexible customization based on your project requirements, including:

  • Voltage range: 3.2V – 72V
  • Capacity range: 100mAh – 100Ah
  • Electrical performance design: Charge/discharge parameters, C-rate, internal resistance, temperature performance
  • Mechanical design: Appearance, dimensions, housing material, and integrated structural engineering
  • BMS design: Battery protection, cell balancing, and communication protocols (SMBus / I2C / UART)
Get a Custom Battery Solution
Tell us about your project needs. Our engineers will provide a tailored battery solution and quotation within 24 hours.