COOLSCHMAX 7V-100V Battery Voltmeter Gauge, IPX7 Waterproof, Voltage Alarm Buzzer for Lithium LiFePO4 Lead-Acid（STD, AGM, GEL, EFB） Batteries in Outdoor Vehicles Golf Cart Yacht Bicycle — Open-Box, 6% Off

Name: COOLSCHMAX 7V-100V Battery Voltmeter Gauge, IPX7 Waterproof, Voltage Alarm Buzzer for Lithium LiFePO4 Lead-Acid（STD, AGM, GEL, EFB） Batteries in Outdoor Vehicles Golf Cart Yacht Bicycle
Brand: HOFEINZ
SKU: awhd-us-b0h3v89pdz
Price: 16.84 USD
Availability: InStock

Brand: HOFEINZ

Condition: Used - VeryGood

$16⁸⁴

$17⁹⁰

-6% Save $1⁰⁶

Updated: 5 days ago

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Description

High Visibility: Optimized brightness and contrast for clear visibility under direct light, ensuring stable and consistent readability both outdoors and indoors.

Designed for Outdoor Vehicles: IPX7 fully waterproof and dustproof, perfectly compatible with golf carts, electric vehicles, motorcycles, yachts, and other all-weather outdoor applications—clear visibility in both bright sunshine and rainy conditions.

Flexible Bracket Installation: Innovative bracket design supports quick setup in different scenarios, suitable for vehicles, solar systems, and both outdoor and indoor applications.

Wide Battery Compatibility: Adjustable voltage settings support Lithium, LiFePO4, and Lead-Acid（STD, AGM, GEL, EFB batteries, covering multiple system needs; measurement accuracy within ±1% provides reliable data.

User-Friendly Backlight Modes: Backlight supports always-on or auto-off timer settings, balancing readability and power saving.

The Coolschmax CZ100 volt/ammeter is designed to address the common issue of poor screen visibility under strong light. Its display is enhanced with high brightness, allowing data to remain clear even in direct light conditions. The device supports lithium, LiFePO4, and lead-acid batteries, with a customizable voltage range suitable for different battery systems. Built-in high and low voltage alerts help monitor battery status in real time. The backlight can be set to stay on or turn off after a timer, and with the power-off memory function, settings remain convenient and reliable. A dual-button design makes operation simple, while quick zero-offset calibration and restore-to-default functions ensure easier maintenance. Equipped with a mounting bracket, it can be flexibly installed in vehicles, solar setups, or other outdoor applications, delivering stable, accurate, and easy-to-read battery monitoring.

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Product Details

SKU:: awhd-us-b0h3v89pdz
Model:: CZ102
Country:: US
ASIN:: B0H3V89PDZ
GTIN:: 10632125665443

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Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $1 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

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Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.