Overview
Take the guesswork out of your power systems with the DC 12V-72V Universal Battery Capacity Indicator. This panel-mountable test meter features an intuitive dual-display design: a multi-segment battery graphical bar graph showing the percentage charge level alongside a high-precision digital voltmeter. Whether you are running a 12V standard UPS battery, a 48V solar backup bank, or a 72V electric motorcycle pack, this versatile module keeps your cells healthy by preventing deep discharge damage.
Key Features ✨
Dual Display Interface: Simultaneously tracks actual DC voltage and remaining power capacity percentage ($10\%, 25\%, 40\%, 50\%, 60\%, 75\%, 90\%, 100\%$) for instant diagnostics.
Universal Multi-Chemistry Support: Fully compatible with Lead-Acid, Ternary Lithium-Ion, Li-Polymer, and NiMH battery packs.
Automatic Voltage Identification: Smarter onboard controller automatically scales to match standard vehicle electrical systems.
Burn-Proof Safety: Equipped with built-in reverse polarity protection—even if you accidentally switch the positive and negative wires during a DIY installation, the module will not burn.
Panel-Mount Design: Snaps seamlessly into custom control boards, project boxes, or dashboard panels.
Technical Specifications
| Feature | Specification |
| Voltage Measuring Range | DC 12V to 72V (Max tolerance: $\pm 1\%$) |
| Working Current | Ultra-low 5mA to 15mA (Saves idle battery drain) |
| Refresh Rate | Approx. 300ms once |
| Display Mode | Three-digit 0.56″ LED Digital Tube |
| LED Color Config | Red Voltmeter Display (Multi-color capacity bars) |
| Lead Wire Length | ~15 cm |
| Dimensions | 48mm x 29mm x 22mm |
| Mounting Cutout Size | 46mm x 27mm |
Supported Target Voltages
Standard 12V, 24V, 36V, 48V, 60V, and 72V battery vehicles, electric e-bikes, solar storage banks, and custom DIY portable power generators.
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