18650 7.4V 2.5Ah Lithium Ion Battery Sanyo Battery for Mobile Printer
18650 7.4V 2.5Ah Lithium Ion Battery Pack - Image 2
18650 7.4V 2.5Ah Lithium Ion Battery Pack - Image 3

18650 7.4V 2.5Ah Lithium Ion Battery Pack

Product Number:
03DQ0024-06T
Nominal voltage:
7.4V
Nominal capacity:
2500mAh
Battery Configuration:
18650-2S1P
Dimension:
19.1±0.2mm × 41±0.2mm × 71.5±0.2mm
Application:
mobile printer
Get Custom Solution
ABS+PC Housing, Gold Plated Contacts, Protection Circuit
Product Overview

Designed for mobile printers and POS devices, this lithium-ion battery supports mobile receipt printing and field data processing applications. With stable output and a compact lightweight structure, it ensures reliable continuous operation in high-frequency printing environments.

Electrical Specifications

Attribute Parameter
Product Number 03DQ0024-06T
Cell Model 18650/2500mAh/3.7V
Battery Configuration 18650-2S1P
Nominal Voltage 7.4V
Nominal Capacity 2500mAh
Rated Energy 18.5Wh
Charging Voltage 8.4V
Discharge Cut-off Voltage 6.0V
Standard Charging Current ≤2.5A
Standard Discharge Current 500mA
Internal Resistance ≤250mΩ

Mechanical & Environmental

Attribute Parameter
Charging Temperature 0～45℃
Discharge Temperature -20～60℃
Storage Temperature -20～35℃
Dimensions 19.1±0.2mm × 41±0.2mm × 71.5±0.2mm
Weight 105g
Battery Case ABS+PC Engineering Plastic
Output Type Metal spring contact / wire output
Protection System Short circuit / Overcharge / Overdischarge / Overcurrent protection
Application Background

This battery solution is designed for mobile printers and POS devices, widely used in mobile receipt printing and on-site data processing applications.
The device requires long continuous operation and stable power output during frequent printing, demanding reliable runtime, instant load response, and compact structure.

Project Challenges

Requires 8–10 hours continuous operation for mobile printing devices
Frequent printing causes instant load peaks and voltage fluctuation
Multiple charge-discharge cycles per day require high cycle life
Limited device space requires strict size and weight control

Customized Battery Solution

7.4V 2S1P configuration: ensures stable power supply for mobile printing applications
ABS+PC housing: enhances structural strength and impact resistance
Multi-protection system: overcharge, overdischarge, overcurrent and short-circuit protection
Compact lightweight design: 105g structure optimized for portable devices

Application Results

Supports stable 8–10 hours continuous printing operation
Improved output stability by ~20% under high-load printing conditions
Lightweight design enhances device portability
Stable cycle performance extends 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.
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