14.8V 20Ah 18650 Lithium Ion Battery Pack

Product Number:
01BQ1159-01
Nominal voltage:
14.8V
Nominal capacity:
20Ah
Battery Configuration:
18650-4S8P
Dimension:
170 × 90 × 78 mm
Application:
Security and Communication
High Capacity 20Ah, Blue PVC Housing, Multi Protection System
Product Overview
This battery is designed for wireless security terminals and communication equipment, widely used in outdoor monitoring, data collection, and testing scenarios. It supports long continuous operation and high-load conditions in compact space, delivering stable output and reliable power performance with enhanced safety protection.

Electrical Specifications

Attribute Parameter
Product Number 01BQ1159-01
Cell Model 18650 / 3.7V / 2.5Ah
Battery Configuration 18650-4S8P
Nominal Voltage 14.8V
Nominal Capacity 20Ah
Rated Energy 296Wh
Charging Voltage 16.8V
Discharge Cut-off Voltage 12.0V
Standard Charging Current ≤4A
Standard Discharge Current 4A
Internal Resistance ≤250mΩ

Mechanical & Environmental

Attribute Parameter
Charging Temperature 0~45℃
Discharge Temperature -20~60℃
Storage Temperature -20~35℃
Dimensions 170 × 90 × 78 mm
Weight 1.6kg
Battery Case Blue PVC
Protection System Short circuit protection, overcharge protection, overdischarge protection, overcurrent protection

Application Background

This battery solution is designed for wireless security terminals and communication equipment, widely used in remote monitoring, data acquisition, and testing instruments.
The device requires long-term stable power supply and reliable data transmission in outdoor or complex environments, demanding high endurance, voltage stability, and safety performance.

Project Challenges

Continuous operation required for 10–24 hours
Outdoor monitoring involves sustained load with intermittent peak currents
Long-term charge-discharge cycles require high durability and stability
Limited installation space requires compact size and weight control

Customized Battery Solution

4S8P high-capacity structure provides stable 14.8V power output
Adopts 18650 high-performance cells to ensure consistency and discharge stability
Multiple protection system: overcharge, overdischarge, overcurrent, short circuit protection
Blue PVC packaging enhances basic protection and installation adaptability

Application Results

Supports long-term stable operation of security and communication equipment
Improves voltage stability by ~20%+ under high-load conditions
Enhances power supply reliability and reduces risk of power loss
Stable cycle life reduces maintenance and replacement frequency

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.