Product Description

The 13.2V–16.8V 18650 Battery Level Indicator Display is a compact LED battery capacity meter designed to monitor the charge level of 4S (4-cell) 18650 lithium-ion battery packs. With a simple one-touch test button and a clear 5-LED display, it provides an instant visual indication of the remaining battery capacity, making it ideal for DIY battery packs, electric vehicles, robotics, solar systems, and portable electronic devices.

This battery indicator is easy to install with just two wires for direct connection to the battery pack. Its low power consumption ensures minimal battery drain, while the durable design makes it suitable for long-term use in a wide range of applications.

Key Features

• Compatible with 4S 18650 lithium-ion battery packs
• Operating voltage range: 13.2V–16.8V
• Bright 5-level LED battery capacity display
• One-touch push button for battery level testing
• Low power consumption
• Compact and lightweight design
• Easy 2-wire installation (Red: Positive, Black: Negative)
• Accurate and reliable battery status indication

Applications

• 4S 18650 battery packs
• DIY lithium battery projects
• Electric bicycles and scooters
• Robotics and automation
• Solar energy storage systems
• Portable power supplies
• Emergency lighting systems

Specifications

• Battery Type: 4S Lithium-ion (18650)
• Operating Voltage: 13.2V–16.8V
• Display Type: 5 LED Battery Level Indicator
• Operation: Push Button Test
• Connection: 2-Wire (Positive & Negative)
• Power Consumption: Low standby current
• Installation: Panel or embedded mounting

Package Includes

• 1 × 13.2V–16.8V 18650 Battery Level Indicator Display