Runleader RL-BI050C Mini Battery Monitor with Current Shunt Capacity Voltage & Hour Meter for DC 12V 24V 36V 48V LiFePO4 AGM GEL Lead Acid Trojan Lithium RV, Golf Cart, E-Bike, EV

4-IN-1 BATTERY CAPACITY METER: Wide DC 8–65V operating range; displays battery level (percentage & capacity bars), voltage, current & 0–9999 hours runtime. Compatible with 12V/24V/36V/48V LiFePO4, AGM, GEL, Trojan, Lead Acid & Lithium(18650) batteries. Ideal for RV, golf cart, e-bike, EV, forklift & floor scrubber PRECISE CUSTOM CALIBRATION: Adjustable empty/full voltage (0.00–99.99V), rated capacity (1.0–999.9Ah), tail current rate (0.5%–10%) and battery health inspection. Ensures accurate SOC, safe protection, BMS calibration and lifetime monitoring SMART BATTERY VOLTAGE & POWER ALERT: Custom low-power alert (0–60%) prevents deep discharge; adjustable high/low voltage alarm (0–99.99V) avoids over-discharge & abnormal voltage damage SIMPLE PANEL INSTALLATION: Cutout size 58.5×28.5 mm (2.30×1.12 in.). Plug-and-play wiring: install 50A shunt on battery negative circuit to activate BACKLIGHT & IP65 PROTECTION: White backlight with 3 modes (Always On / Auto / Off); IP65 splash-proof for outdoor damp or wet conditions