18650 18V 6.6Ah Lithium-ion Battery Pack

Product Number:
33DZ014-02
Nominal voltage:
18V
Nominal capacity:
6.6Ah
Battery Configuration:
18650-5S2P
Dimension:
130 × 78 × 62 mm
Application:
Handheld devices
RS485 communication interface, Sheet metal housing, High surge discharge capability
Product Overview

Electrical Specifications

Attribute Parameter
Product Number 33DZ014-02
Cell Model 18650 / 3.6V / 3.35Ah
Battery Configuration 18650-5S2P
Nominal Voltage 18V
Nominal Capacity 6.6Ah
Rated Energy 118.8Wh
Charging Voltage 21.0V
Discharge Cut-off Voltage 15V
Standard Charging Current ≤3.0A
Standard Discharge Current ≤6A
Max Continuous Discharge Current ≤6A
Internal Resistance ≤200mΩ

Mechanical & Environmental

Attribute Parameter
Charging Temperature 0 ~ 45℃
Discharge Temperature -20 ~ 60℃
Storage Temperature -20 ~ 45℃
Dimensions 130 × 78 × 62 mm
Weight 650g
Battery Case Sheet Metal Housing
Communication Protocol RS485
Protection System Short circuit, Overcharge, Overdischarge, Overcurrent, Temperature protection (65℃±5℃), Anti-reverse connection protection

Application Background

This battery solution is specifically designed for handheld devices and portable medical equipment, suitable for mobile diagnostics, monitoring instruments, and on-site data collection applications.
The device is required to operate reliably in clinical and outdoor environments for extended periods, while supporting data communication and high surge current startup, placing higher demands on output stability, safety, and structural strength.

Project Challenges

Continuous operation required for 6–8 hours or more
Instant startup current up to 25–45A requiring strong high-rate performance
18V system platform with strict voltage stability requirements
Wide operating temperature range (-20°C to 60°C) with high safety standards

Customized Battery Solution

5S2P 18V configuration with 118.8Wh rated energy for extended runtime
Supports 25–45A surge discharge to ensure stable high-load startup
Integrated RS485 communication interface for battery data interaction
Sheet metal housing with comprehensive protection system (overcharge, overdischarge, overcurrent, short circuit, temperature, anti-reverse connection) to enhance structural and electrical safety

Application Results

Supports continuous operation for 6–8+ hours
High-load startup stability improved by approximately 20%+
Communication function enhances system monitoring and maintenance efficiency
Improved structural strength and safety performance for medical-grade reliability

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.