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DC 7-55V LED Battery Charge Indicator Panel | 12V–48V
DC 7-55V LED Battery Charge Indicator Panel | 12V–48V
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Know Your Battery's Power at a Glance
The DC 7–55V Universal Battery Charge Indicator Panel is a compact, high-brightness LED display module designed to give you real-time voltage and remaining charge status for acid, lithium-ion ternary, and lithium iron phosphate batteries. Whether you're monitoring an e-bike, solar storage system, electric scooter, or industrial power bank, this panel keeps you informed and in control — all from a sleek 46×15×3mm board.
Made in Mainland China.
Key Features
- Real-Time LED Power Display: High-brightness LED screen clearly shows voltage level and remaining battery capacity at a single glance — no guesswork needed.
- Customizable High & Low Voltage Thresholds: Set your own upper and lower voltage limits to perfectly match your battery system and application requirements.
- Adjustable Backlight Timer: Built-in backlight duration setting lets you conserve energy and extend the display's service life by matching backlight time to your environment.
- Power-Failure Memory: Automatically saves current charge data and settings even after accidental power loss — your configurations are never lost.
- Wide Battery Compatibility: Supports lithium ternary (3S–12S), lithium iron phosphate (3S–14S), and lead-acid (12V / 24V / 36V / 48V) batteries, making it ideal for EVs, energy storage, and industrial or DIY projects.
Technical Specifications
| Voltage Measurement Range | DC 7–55V (Red display version: DC 7–40V) |
| Working Current | ≤ 20mA |
| Display Mode | LED Screen |
| Display Colors Available | Red, Green, Blue, White (optional) |
| Li-Ion Ternary (L) Range | 3S – 12S |
| Lithium Iron Phosphate (F) Range | 3S – 14S |
| Acid Battery (P) Range | 12V / 24V / 36V / 48V |
| Default Power-On Setting | Ternary Lithium L03S (L03) |
| Product Dimensions | 46 × 15 × 3 mm |
What's in the Box
- 1× Battery Charge Indicator Panel (LED)
Perfect For
- Electric bicycles, scooters & e-vehicles
- Solar & off-grid energy storage systems
- DIY battery packs and RC hobby builds
- Industrial power monitoring applications
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For more information on battery safety standards and best practices, visit the U.S. Consumer Product Safety Commission – Battery Safety.
Frequently Asked Questions
Q: What types of batteries is this DC 7-55V LED indicator panel compatible with?
A: This universal battery charge indicator panel supports three major battery types: lithium-ion ternary batteries (3S–12S), lithium iron phosphate batteries (3S–14S), and lead-acid batteries at 12V, 24V, 36V, and 48V. It is ideal for electric vehicles, solar energy storage, DIY battery packs, and industrial systems.
Q: Can I customize the voltage thresholds on this battery indicator board?
A: Yes! The indicator panel allows you to freely set both high and low voltage thresholds to match your specific battery system. This flexibility makes it suitable for a wide range of applications and personal preferences.
Q: Will my settings be lost if the power goes out?
A: No. The panel features a built-in power-failure memory function that automatically saves your current charge data and configuration settings, so your information is retained even after an unexpected power interruption.
Q: What display colors are available for this LED battery indicator?
A: The panel is available in four LED display color options: red, green, blue, and white. You can choose the color that best suits your installation environment or personal preference.
