--- product_id: 450296329 title: "7-100V IPX7 Waterproof Battery Monitor Blue LCD with Buzzer Alarm &Temp" brand: "supnova" price: "$33.29" currency: USD in_stock: true category: "Supnova" url: https://www.desertcart.us/products/450296329-7-100v-ipx7-waterproof-battery-monitor-blue-lcd-with-buzzer store_origin: US region: United States of America --- # IPX7 Waterproof & Dustproof Customizable Buzzer Alarm 7-100V Multi-Battery Compatibility 7-100V IPX7 Waterproof Battery Monitor Blue LCD with Buzzer Alarm &Temp **Brand:** supnova **Price:** $33.29 **Availability:** ✅ In Stock ## Summary > 🔋 Stay Powered, Stay Ahead — Never Get Caught Off-Guard! ## Quick Answers - **What is this?** 7-100V IPX7 Waterproof Battery Monitor Blue LCD with Buzzer Alarm &Temp by supnova - **How much does it cost?** $33.29 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/450296329-7-100v-ipx7-waterproof-battery-monitor-blue-lcd-with-buzzer) ## Best For - supnova enthusiasts ## Why This Product - Trusted supnova brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Alerts 📢:** Set low/high voltage buzzer alarms to prevent unexpected power failures and extend battery life. - • **All-Weather Ready 💧:** IPX7 waterproof design ensures reliable indoor/outdoor use without worry about rain or dust. - • **Universal Voltage Range 🔋:** Supports 7-100V batteries including lead-acid, lithium iron phosphate, and ternary lithium for versatile applications. - • **Real-Time Multi-Metric Display:** Instantly view voltage, remaining capacity %, and battery temperature (°C) with easy toggle via 'M' key. - • **Effortless Installation & Memory:** Simple wiring with 15.75-inch leads, adhesive mount option, and power-off memory retains your settings seamlessly. ## Overview The SUPNOVA Waterproof Battery Monitor is a compact, IPX7-rated digital meter designed for 7-100V batteries across cars, motorcycles, golf carts, boats, and more. It accurately displays voltage, remaining capacity percentage, and temperature in Celsius, with customizable buzzer alarms for low/high voltage alerts. Featuring reverse polarity protection, power-off memory, and versatile battery compatibility, it’s engineered for professionals who demand real-time battery insights in any environment. ## Description 7-100V IPX7 Waterproof Battery Monitor Blue LCD with Buzzer Alarm &Temp: desertcart.com: Industrial & Scientific ## Features - · APPLICATION --- The battery testers can be used for testing battery voltage and capacity for electric motorcycle, motorcycle，golf cart,automotive , car, marine, RV, boat, etc. - · APPLICABLE BATTERY --- SUPNOVA digital battery monitor is suitable for 7-100V (12v 24v 36v 48v 60v 72v 84v) Ternary lithium battery, lead-acid battery, lithium iron phosphate battery. Default 12 volt lead acid battery . - · PROTECTION ---·Fully closed shell and IPX7 waterproof ,dustproof it can be used for indoor and outdoor, input reverse connection protectionIt does not generate heat even when used at high voltages for a long time. - INSTALLATION ---The red wires for the positive and the black wires for the negative. It can use Double-sided adhesive we provided stick the back on the product .The wires length are 15.75 inches . - Buzzer Alarm&Ttemperature--- The battery monitor can set low and high voltage buzzer alarm and short press"M"key can switch voltage and temperature（Celsius). - Power-off Memory--The battery tester with power-off memory function,it can retain settings when power is removed. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08HV99FCS | | Best Sellers Rank | #7,535 in Automotive ( See Top 100 in Automotive ) #9 in Battery Testers | | Brand Name | SUPNOVA | | Color | Blue | | Compatible Devices | Car, Golf Cart, Motorcycle, Boat, Electric Bikes, Medical Equipment, Portable Equipment | | Customer Reviews | 4.2 4.2 out of 5 stars (817) | | Included Components | NO | | Item Dimensions | 2.4 x 1.4 x 0.5 inches | | Item Weight | 17.87 g | | Manufacturer | SUPNOVA | | Maximum Operating Voltage | 100 volts_of_direct_current | | Measurement Type | Voltmeter | | Minimum Operating Voltage | 7 volts_of_direct_current | | Number of Items | 1 | | Part Number | DGS-01 | | Power Source | Dc | | Specification Met | Ipx7 | | Style Name | Digital | | Unit Count | 1 Count | ## Product Details - **Brand:** SUPNOVA - **Color:** Blue - **Item Weight:** 17.87 g - **Power Source:** Dc - **Style:** Digital ## Images ![7-100V IPX7 Waterproof Battery Monitor Blue LCD with Buzzer Alarm &Temp - Image 1](https://m.media-amazon.com/images/I/61y4U1w7sgL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: What voltage equals 100% charge?** A: This depends on what kind of battery you are using, such as 12V lead-acid battery 13.2V full charge, Terpolymer lithium battery 4.2V full charge, lithium iron phosphate battery about 3.4V full charge, this parameter can be seen from the battery or charger. Thanks for your questons. **Q: Mine doesn't show 100% charge when the batteries are fully charged. I know the batteries are good and at 100%. I have a 36 volt system. Help?** A: Dear Customer,you can use Moedel 3--Custom Settings,for example,the voltage of battery is 39.6v when be fully charged and the voltage is 32.4v when the battery is dead. **Q: what setting do i use for a marine AGM battery ?** A: you can set it follow mode 3(custom Settings) the left number is the lowest voltage and the right number is the highest voltage.thank you for your question. **Q: How many amps does this unit use while running ?** A: The operation of this product has nothing to do with current, only related to voltage, and the use range is 7-100V.Thank you for your questions. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/450296329-7-100v-ipx7-waterproof-battery-monitor-blue-lcd-with-buzzer](https://www.desertcart.us/products/450296329-7-100v-ipx7-waterproof-battery-monitor-blue-lcd-with-buzzer) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-12*