DC 8V–100V Digital Voltmeter Battery Capacity Indicator with Temperature Alarm for 12V 24V Lead Acid, Lithium & LiFePO4

Monitor your power system's health, remaining capacity, and ambient temperature with this DC 8V–100V Digital Battery Tester and Voltmeter. Designed for custom battery builds, RVs, marine vessels, solar power banks, electric vehicles, and golf carts, this multi-functional display meter works seamlessly across wide voltage ranges and multiple battery chemistries—including 12V/24V/36V/48V/60V/72V Lead Acid, Lithium-Ion, and LiFePO4 battery packs. Featuring a clear backlit digital LCD screen, it provides real-time readouts of voltage, percentage charge level, and ambient temperature. Built-in visual and audible alarm functions alert you immediately to dangerous over-temperature conditions or low-voltage voltage drops, protecting your expensive battery setup from irreversible cell damage.

Key Features

• Universal Chemistry Compatibility: Programmable parameters support Lead Acid, Lithium-Ion, and LiFePO4 battery configurations across an 8V–100V DC range.

• Integrated Temperature & Voltage Alarms: Visual flashing display and audio buzzer alert you immediately to high temperatures or low-voltage states.

• Multi-Metric LCD Screen: High-definition backlit display shows real-time DC voltage, battery capacity percentage, and current temperature (°C/°F) simultaneously.

• Reverse Polarity Protection: Built-in safety circuit prevents damage to the meter or power source in case of accidental reverse wiring.

• Flush-Mount Panel Installation: Compact, snap-in enclosure easily installs into dashboard cutouts, electrical control panels, and battery boxes.

Why Choose Our Digital Battery Tester

Relying on basic LED bar indicators fails to provide exact voltage numbers or temperature alerts, leaving your battery packs vulnerable to unexpected power loss or thermal damage. Manual testing with handheld multimeters is inconvenient and impossible while operating vehicles or off-grid power systems. This panel-mount digital battery indicator combines wide 8V–100V versatility, multi-chemistry programmability, clear LCD triple-parameter monitoring, and smart thermal/voltage alarms—giving your solar setups, electric vehicles, and custom battery banks an instant professional upgrade.

Perfect For

• Panel monitoring on solar power storage systems, RV house batteries, marine boats, and off-grid power banks

• Tracking battery levels on electric scooters, golf carts, e-bikes, and custom DIY lithium/LiFePO4 builds

• Automotive mechanics, solar installers, battery pack builders, and off-grid enthusiasts

• Gifting as a practical solar system accessory, RV tool gift, or battery builder essential

Specifications

• Voltage Operating Range: DC 8V – 100V

• Battery Compatibility: Lead Acid (12V–72V), Lithium-Ion (3S–26S), LiFePO4 (3S–26S)

• Display Metrics: Voltage (V), Battery Capacity Percentage (%), Temperature (°C/°F)

• Alarm Functions: Low Voltage Alarm + Over-Temperature Thermal Warning

• Installation: Flush Snap-In Panel Mount Frame

• Ideal Uses: DC 8V-100V Voltmeter, Battery Capacity Indicator, Lithium & LiFePO4 Monitor