Description
The 5V-7VDC Lithium Battery Capacity Level Indicator Module is a compact and easy-to-use battery voltage indicator designed to provide a quick visual indication of the charge level of lithium-ion battery packs. It is suitable for 18650 lithium battery packs and other lithium batteries with a maximum charging voltage of 4.2V per cell.
This battery level indicator uses a simple LED bar display to show the approximate battery charge status. Simply connect the module’s positive and negative terminals to the corresponding terminals of the battery pack, and the display will indicate the current voltage level.
With its small size and straightforward operation, this module is useful for DIY battery projects, portable power supplies, battery chargers, RC projects, electric vehicles, and other lithium battery applications.
Features
- Designed for 5V-7V DC lithium battery packs
- Provides a quick visual indication of battery charge level
- Compatible with 18650 and other lithium-ion battery packs
- Simple positive and negative terminal connection
- Blue LED bar display with red module outline
- Compact design for easy installation
- Useful for DIY electronics and battery-powered projects
- Displays battery voltage status in real time
- Suitable for portable power supplies, chargers, RC projects, and electric vehicles
Battery Level Display
The LED bars indicate the approximate battery voltage according to the following levels:
- Above N × 3.3V: 1 LED bar illuminates
- Above N × 3.5V: 2 LED bars illuminate
- Above N × 3.7V: 3 LED bars illuminate
- Above N × 3.9V: 4 LED bars illuminate
- Below N × 3.3V: The display turns off, indicating that the battery voltage is low and the battery should be charged
Note: N represents the number of lithium battery cells connected in series.
How to Use
Connect the positive (+) and negative (-) terminals of the indicator module to the corresponding positive and negative terminals of the lithium battery pack. Once connected, the LED display will show the battery’s approximate voltage/charge level.
Applications
This lithium battery capacity indicator is suitable for:
- 18650 lithium-ion battery packs
- DIY power supplies
- Portable battery projects
- Battery charging projects
- RC vehicles and electronics
- Electric vehicle projects
- DIY electronics
- Lithium battery monitoring
Specifications
| Specification | Details |
|---|---|
| Product Type | Lithium Battery Capacity Level Indicator |
| Display Range | 5V-7V DC |
| Battery Type | Lithium-ion |
| Display | 4-Level LED Bar |
| LED Display Color | Blue |
| Module Outline | Red |
| Connection | Positive (+) and Negative (-) |
| Battery Cell Compatibility | Lithium batteries up to 4.2V per cell |
| SKU | 1573 |
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