About This

• Real-Time Charging System Guardian: Instantly spot alternator failures or weak batteries with live voltage tracking (8-18V range). See exact readings like ‘14.2V’ – catch overcharging before it fries your ECU or undercharging before you’re stranded
• Glare-Proof Readability Day or Night: Crisp 52mm red LED display cuts through sunlight glare and darkness. Mounts on dash, A-pillar, or pods – glance once to know your system’s health, no squinting needed
• Smart Over-Voltage Alarm Saves Electronics: Programmable alarm screams at dangerous spikes (>15V). Set your threshold (e.g., 15.5V) – when exceeded, it beeps loudly to warn of regulator failure, protecting pricey stereos, ECUs, and LEDs from meltdown
• Diesel & Daily Driver Ready (12V/24V): Works flawlessly in gas cars, lifted diesel trucks (24V), RVs, and classics. Monitors dual-battery setups or high-demand systems (winches, inverters) – one gauge for any vehicle
• Set-It-Forget-It Reliability: ABS-housed toughness handles engine heat, vibrations, and UV exposure. Once set, the alarm works automatically for years – zero maintenance, just peace of mind

Overview

• Brand : JJCOCO
• Style : Compact
• Color : Round Green+Red
• Item Weight : 0.18 kg
• Min. Operating Voltage : 8 volts