18650 25.2V 2600mAh Lithium Ion Battery Pack

Product Number:
36AQ347-01
Nominal voltage:
25.2V
Nominal capacity:
2600mAh
Battery Configuration:
18650-7S1P
Dimension:
70 × 79 × 40 mm (Max)
Application:
photovoltaic tracker
XT connector output, Comprehensive safety protection, Wide temperature operation
Product Overview

This battery is specifically designed for photovoltaic trackers, suitable for solar tracking control and outdoor energy management applications. It provides stable and continuous power supply in harsh outdoor environments, featuring reliable output and a compact structure to ensure long-term system stability.

Electrical Specifications

Attribute Parameter
Product Number 36AQ347-01
Cell Model H18650CQ / 2550mAh / 3.6V
Battery Configuration H18650CQ-7S1P
Nominal Voltage 25.2V
Nominal Capacity 2600mAh (2.6Ah)
Rated Energy 65.52Wh
Charging Voltage 29.4V
Discharge Cut-off Voltage 21V
Standard Charging Current ≤1.3A
Standard Discharge Current 0.5A
Max Continuous Discharge Current 0.5A
Internal Resistance ≤350mΩ

Mechanical & Environmental

Attribute Parameter
Charging Temperature 0 ~ 45℃
Discharge Temperature -20 ~ 60℃
Storage Temperature -20 ~ 35℃
Dimensions 70 × 79 × 40 mm (Max)
Weight 400g
Output Type XT connector / gold-plated contacts
Battery Case Blue PVC heat shrink film
Protection System Short circuit, Overcharge, Overdischarge, Overcurrent, Temperature, ESD protection

Application Background

This battery solution is specifically designed for photovoltaic (PV) tracker systems, suitable for solar tracking control, outdoor energy management, and off-grid monitoring applications.

The system must operate continuously in harsh outdoor environments, ensuring stable control power supply for tracking accuracy, reliability, and environmental adaptability.

Project Challenges

  • Continuous low-current operation (~0.5A) requiring stable long-term power support
  • Harsh outdoor temperature range (-20°C to 60°C) with high reliability requirements
  • Exposure to long-term outdoor vibration, humidity, and temperature cycling
  • Limited installation space (70 × 79 × 40 mm) requiring compact design

Customized Battery Solution

  • 7S1P 25.2V platform (65.52Wh) ensuring stable power for PV tracking systems
  • Low-power optimized design for efficient and continuous tracking control support
  • XT connector with gold-plated contacts for enhanced electrical reliability
  • Comprehensive protection system (overcharge, overdischarge, overcurrent, short circuit, temperature, ESD) ensuring safe outdoor operation

Application Results

  • Stable power supply improves reliability of photovoltaic tracking control systems
  • Enhanced durability under long-term outdoor environmental exposure
  • Improved connection stability in vibration and weather-affected conditions
  • Overall system safety and operational reliability significantly strengthened

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.