Description
LCD Dual USB Power Bank Module with Battery Capacity & Voltage Display for 12v Lead Acid and 3S Lithium Battery.
The LCD Dual USB Power Bank Module is a multifunction battery monitoring and USB charging module designed to display both battery voltage and remaining power level in real time. Featuring a clear LCD display, it provides accurate battery status, Digital LCD screen showing real-time battery capacity from 0% to 100% with precise digital readout making battery monitoring simple and intuitive.
This module supports Lithium-ion/Lead Acid batteries, making it ideal for Portable power banks and battery packs, DIY electronics, solar backup systems, and battery maintenance applications.
Equipped with dual USB output ports, the module can also be used for charging smartphones and other low-power USB devices.
Note: This module does not have reverse polarity protection. Please ensure the battery wires are connected correctly (B+ to positive, B- to negative) to avoid burning the board. With only two wires required for installation, it is quick and easy to integrate into new or existing battery-powered projects."
Key Features
- Dual LCD for battery voltage and capacity.
- Five-level battery percentage 0% to 100% with precise digital readout.
- Supports 3S Lithium-ion/12V Lead Acid batteries
- Compatible with 3S(single series) lithium battery packs
- High measurement accuracy (±1%).
- Dual USB charging output.
- Reverse polarity protection.
- Simple 2-wire installation.
- Low power consumption.
- Compact PCB design.
- Easy-to-read liquid crystal display.
- Ideal for battery monitoring and maintenance.
- Suitable for DIY power bank projects.
- Reliable and durable construction.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | LCD Dual USB Power Bank Module |
| Display Type | LCD (Liquid Crystal Display) |
| Battery Type Supported | 3S Lithium-ion/12V Lead Acid batteries |
| Battery Level Display | 0% to 100% with precise digital readout |
| Voltage Display | Yes |
| USB Output | Dual USB Ports |
| Measurement Accuracy | ±1% |
| Working Current | 5–15mA |
| Operating Temperature | -10°C to +65°C |
| Wiring | 2-Wire Connection |
| Wire Length | Approximately 20cm |
| Reverse Polarity Protection | No |
| Module Size | 83.2 × 28.8 × 20mm |
Package Includes
- 1 × LCD Dual USB Power Bank Module.
- 1 × Red & Black Power Cable.
Applications
- DIY Power Banks.
- Battery Capacity Monitoring.
- Lead Acid Battery Systems.
- Lithium Battery Packs..
- Electric Vehicles.
- Solar Power Systems.
- Battery Chargers.
- Battery Maintenance.
- Portable Power Stations.
- UPS Systems.
- DIY Electronics Projects.
- Mobile Charging Stations.
Precautions
- Verify battery voltage before connecting the module.
- Use only compatible 3S Lithium-ion/12V Lead Acid batteries
- Avoid exposing the module to water or excessive moisture.
- Do not exceed the supported battery voltage range.
- Ensure proper insulation during installation.
- Keep away from excessive heat and direct flame.
- Use quality USB cables for stable charging performance.