18650 22.2V 2500mAh Lithium Ion Battery Pack

Product Number:
36AQ076-01
Nominal voltage:
22.2V
Nominal capacity:
2500mAh
Battery Configuration:
18650-6S1P
Dimension:
136 × 43 × 41.6 mm
Application:
Handheld Massage Device
Temperature Protection, Cylindrical Compact Design, Multi Protection System
Product Overview

This battery is designed for handheld massage devices used in personal therapy and portable relaxation scenarios. It supports continuous high-load operation with stable high-voltage output in a compact cylindrical structure, delivering reliable performance with strong safety protection and stable discharge capability.

Electrical Specifications

Attribute Parameter
Product Number 36AQ076-01
Cell Model LR18650SZ / 2500mAh / 3.7V
Battery Configuration 18650-6S1P
Nominal Voltage 22.2V
Nominal Capacity 2500mAh
Rated Energy 55.5Wh
Charging Voltage 25.2V
Discharge Cut-off Voltage 16.8V
Standard Charging Current 500mA
Standard Discharge Current 500mA
Internal Resistance ≤200mΩ

Mechanical & Environmental

Attribute Parameter
Charging Temperature 0~45℃
Discharge Temperature -20~60℃
Storage Temperature -20~+25℃
Dimensions 136 × 43 × 41.6 mm
Weight 310g
Battery Case Cylindrical plastic housing
Protection System Short circuit / overcharge / overdischarge / overcurrent / temperature protection

Application Background

This battery solution is designed for handheld massage devices, widely used in home therapy, portable relaxation, and personal wellness scenarios.
The device requires stable high-power output during handheld operation with continuous vibration, demanding strong discharge performance, stable voltage, and thermal safety control.

Project Challenges

Continuous high-intensity operation for 30–60 minutes
High pulse current up to 7.2A requires strong discharge capability
Frequent charge/discharge cycles require high safety and cycle stability
Cylindrical handheld structure requires strict control of size and weight

Customized Battery Solution

6S1P Li-ion configuration provides stable 22.2V high-power output
Built-in protection system: overcharge, overdischarge, overcurrent, short circuit, and temperature protection
65℃±5℃ temperature protection ensures safe operation
Compact cylindrical design fits handheld massage device structure

Application Results

Stable output during continuous high-intensity massage operation
High pulse discharge capability meets peak load demand
Thermal protection improves overall device safety
Lightweight and compact structure enhances handheld comfort

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.