18650 25.9V 15Ah Lithium Ion Battery Pack

Product Number:
05BQ1408-01
Nominal voltage:
25.9V
Nominal capacity:
15Ah
Battery Configuration:
18650-7S6P
Dimension:
210 × 170 × 45 mm (Max)
Application:
X-ray Machine
High surge discharge capability, Medical-grade power reliability, Large 15Ah capacity design
Product Overview

This battery is designed for X-ray machines and inspection equipment used in medical imaging and industrial testing scenarios. It delivers stable high-load output with compact high-capacity design, ensuring reliable and continuous system operation in demanding environments.

Electrical Specifications

Attribute Parameter
Product Number 05BQ1408-01
Cell Model 18650 / 3.7V / 2.5Ah
Battery Configuration 18650-7S6P
Nominal Voltage 25.9V
Nominal Capacity 15Ah
Rated Energy 388.5Wh
Charging Voltage 29.4V
Discharge Cut-off Voltage 21.0V
Standard Charging Current ≤5A
Standard Discharge Current 5A
Max Continuous Discharge Current 5A
Internal Resistance ≤240mΩ

Mechanical & Environmental

Attribute Parameter
Charging Temperature 0 ~ 45℃
Discharge Temperature -20 ~ 60℃
Storage Temperature -20 ~ 35℃
Dimensions 210 × 170 × 45 mm (Max)
Weight 2500g
Battery Case Blue PVC
Protection System Short circuit, Overcharge, Overdischarge, Overcurrent protection

Application Background

This battery solution is designed for X-ray machines and inspection/measurement equipment, widely used in medical imaging acquisition, field testing, and industrial NDT applications.

The system requires stable high-voltage power supply under complex environments to ensure continuous and reliable imaging and data acquisition, with high demands on power stability, safety, and energy capacity.

Project Challenges

  • High-load continuous operation required for inspection tasks
  • Voltage stability under instantaneous power fluctuations is critical
  • Strict safety requirements for medical and industrial applications
  • Limited enclosure space (210×170×45mm) requiring high-capacity compact design

Customized Battery Solution

  • 7S6P 25.9V high-capacity platform (15Ah / 388.5Wh) for stable X-ray system power supply
  • 10A peak discharge capability to ensure stable high-load operation
  • Low internal resistance (≤240mΩ) for improved voltage stability and dynamic response
  • Comprehensive protection system (overcharge, overdischarge, overcurrent, short circuit) for medical-grade safety

Application Results

  • Improved power stability and reliability for X-ray and inspection systems
  • Enhanced transient load response, ensuring consistent imaging performance
  • Increased operational safety under complex working conditions
  • Extended stable operating lifecycle and reduced field maintenance risks

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.