HOFEINZ COOLSCHMAX 12V-84V Battery Voltmeter — Sunlight Readable, IP67 Waterproof, Alarm Buzzer (LiFePO4 & Lead-Acid)
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Description
xOverview
The HOFEINZ COOLSCHMAX voltmeter is designed for outdoor reliability and clear day-to-day visibility. With a wide 12V–84V range, it delivers accurate readings across Lithium, LiFePO4, and Lead-Acid systems, making it a versatile companion for a variety of vehicles and setups. The display is engineered for high contrast and crisp digits, so you can read measurements in sunny glare or shaded hours alike without straining your eyes.
Why it stands out in outdoor environments
Built to handle all-weather conditions, the device features IP67 sealing that protects against dust and immersion, ensuring dependable performance in golf carts, electric vehicles, motorcycles, yachts, and other outdoor platforms. Its robust housing is paired with a readable display that remains legible whether the sun is blazing or rain falls lightly.
Flexible installation for diverse setups
The innovative bracket design supports quick, flexible mounting in different scenarios—whether you’re wiring a solar system, mounting on a vehicle dash, or positioning the unit indoors for controlled environments. This adaptability helps you tailor the setup to your specific space and workflow.
Broad battery compatibility and precise readings
Adjustable voltage settings cover Lithium, LiFePO4, and Lead-Acid batteries, reducing the need for multiple meters. The measurement accuracy stays within ±1%, offering reliable data that can help you monitor the system’s health and plan maintenance without guessing.
Power-smart backlight with user-friendly modes
Backlight options include an always-on mode or an auto-off timer. This design balances readability with power saving, so the display remains visible when you need it while conserving energy during idle periods.
Support and guidance you can count on
HOFEINZ provides professional installation guidance to help you get started smoothly. If you have questions, you can access one-on-one support to ensure the setup aligns with your equipment and usage needs.
What you gain
- Clear, high-contrast readings in direct sunlight and dim conditions
- Weatherproof performance for all-weather outdoor use
- Fast, flexible mounting options for vehicles, solar systems, or indoor spaces
- Support for Lithium, LiFePO4, and Lead-Acid batteries with reliable accuracy
- Backlight modes that optimize readability while saving power
- Access to dedicated installation guidance and one-on-one support
What to consider when installing
- Match voltage settings to your battery chemistry for best accuracy
- Position the display for easy visibility during day-to-day operations
- Use the supplied bracket to achieve secure mounting on your vehicle or system
FAQ
Q: What battery types does the COOLSCHMAX support?
A: The voltmeter supports Lithium, LiFePO4, and Lead-Acid batteries with adjustable voltage settings.
Q: Is the COOLSCHMAX suitable for outdoor use?
A: Yes, it features IP67 protection and a daylight-readable display for all-weather operation.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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