Battery Monitor, DC 12-48V Waterproof Meter with Voltage &%, Easy Snap-in Install, Memory Function, for Lead Acid/LiFePO4/Lithium, Ideal for Solar/PV

About this item Trend-Based Battery Percentage ---- Voltage updates in real-time (0.01V precise), while the battery percentage is calculated to update steadily. This deliberate design prevents misleading jumps from temporary power spikes, showing you only meaningful capacity changes. Compact, 5-Minute Snap-in Install ---- Its space-saving design fits anywhere. Simply cut a panel hole, snap it in, and connect two wires (red to +, black to -)—no brackets or tools needed. Permanent Memory ---- Set your battery type and voltage once. It saves forever, even after power loss. True “set it and forget it” convenience. Universal, No Programming ---- No complex setup. Select from three pre-set battery types (Lead-Acid, LiFePO4, 18650). One gauge fits golf carts, RVs, solar systems, and more. Clear, Tough & Reliable ---- High-contrast screen for clear viewing. IP65-rated front face resists dust and sprays. Durable housing operates from -20°C to 75°C. For harsh conditions, we recommend a sheltered install.