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1S to 8S Battery Level Indicator Module – Li-ion Battery Capacity Voltage Display
The 1S to 8S Battery Level Indicator Module is a practical monitoring tool for lithium-ion battery packs. It gives instant visual feedback of charge status, making it easier to manage batteries in DIY projects, RC models, and electric vehicles. With a wide input range and high accuracy, this module ensures safe and efficient energy use.
Equipped with a 4-segment LED bar display outlined in red, the 1S to 8S Battery Level Indicator Module clearly shows remaining capacity under any lighting conditions. Its flexible jumper settings allow it to be configured for packs from 1 cell up to 8 cells, making it highly versatile for multiple applications.
Designed for convenience, the 1S to 8S Battery Level Indicator Module features low-voltage alarm functionality, real-time monitoring, and built-in protection against incorrect wiring. With its compact size, it can be easily integrated into portable power solutions, hobby projects, or professional battery packs.
Whether you’re powering drones, RC cars, electric bikes, or lab devices, the 1S to 8S Battery Level Indicator Module delivers reliable monitoring and helps extend battery life by preventing deep discharge.
🔧 Key Features
- Supports lithium-ion battery packs from 1S up to 8S
- Wide working voltage range: 3V to 34V
- LED bar indicator for instant charge visibility
- Jumper pad configuration for different cell counts
- Low-voltage alarm and over-voltage protection
- Compact design suitable for RC, EV, and DIY use
📐 Technical Specifications
| Product Name | 1S–8S Battery Level Indicator Module |
| Supported Battery Type | Lithium-ion (18650 and other Li-ion cells) |
| Working Voltage | 3V – 34V (1S–8S packs) |
| Operating Voltage | 5V nominal input |
| Compatible Cells | 1S to 8S series-connected cells |
| Voltage Per Cell | 3.0V – 4.2V per cell |
| Accuracy | ±0.01V measurement precision |
| Current Consumption | 5mA standby, up to 15mA active |
| Display Type | 4-segment LED bar with red outline |
| Connection Method | JST connector or pin headers |
| Protective Features | Reverse polarity protection, over-voltage safety |
| Alarm Function | Low voltage warning buzzer/indicator |
| Monitoring | Real-time pack voltage and per-cell voltage |
| Operating Temperature | -20°C to +50°C |
| Dimensions | Approx. 30 × 60 mm (L × W) |
📌 Applications
- RC cars, drones, and quadcopters
- DIY battery packs and custom power banks
- Electric bicycles, scooters, and lightweight EVs
- Battery testing rigs and lab instruments
- Arduino, Raspberry Pi, and robotics projects
💡 Why Choose This Product?
The 1S to 8S Battery Level Indicator Module combines accuracy, versatility, and protection features in a compact package. With low power consumption, wide input range, and built-in safety, it’s the perfect solution for monitoring lithium-ion battery health in real time.
📦 Package Includes
- 1 × 1S–8S Battery Level Indicator Module
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