4S Li-Ion/Li-Po Battery Charge Level Indicator with LED Display
0
Description
4S Li-Ion/Li-Po Battery Charge Level Indicator with LED Display
A compact battery charge level indicator module for accurate monitoring of 4S Li-Ion and Li-Po packs. The device is ideal for applications that require continuous voltage tracking from 13.2 V to 16.8 V. Equipped with a clear 4-bar LED display, it allows quick assessment of available energy.
Key technical specifications
- Measurement range: 13.2 - 16.8 V
- Power supply: directly from the measured source
- LED indicator: 4-bar, graphic
- Refresh rate: 500 ms / reading
- Operating temperature: from -10°C to 65°C
- Dimensions: 44 x 20 x 9.2 mm
- Bar backlight color: blue
- Battery outline backlight color: red
Charge levels on the display
The indicator automatically changes the number of lit bars depending on the currently measured pack voltage:
- Below 13.2 V: 0 bars
- 13.2 V - 14.0 V: 1 bar
- 14.0 V - 14.8 V: 2 bars
- 14.8 V - 15.6 V: 3 bars
- Above 15.6 V: 4 bars
Example applications
- Monitoring power status in RC models and drones
- Checking packs in portable audio systems
- Charge indicator in 4S battery-powered power tools
- Emergency power systems and mobile power stations
- DIY projects and robotics (for Arduino, ESP8266, ESP32, Raspberry Pi)
Benefits
- Instant readout of battery status thanks to contrasting colors
- Easy installation in any enclosure thanks to compact dimensions
- No need for a separate power supply - the module draws power directly from the measured source
- High reliability and measurement stability across a wide temperature range
- Attractive appearance that looks professional in finished projects
Shipping costs
The price does not include any possible payment costs
Product reviews (0)
All reviews (positive and negative) are displayed. We don't verify that they come from customers who have purchased the product.