--- product_id: 440459473 title: "Frienda 2 Pcs Battery Voltage Meter Waterproof Dc 12v LED Voltmeter Battery Monitor with Terminals Universal Round Tester with Blue Light for Car Motorcycle Boat" brand: "frienda" price: "āļŋ5748" currency: THB in_stock: true reviews_count: 5 category: "Frienda" url: https://www.desertcart.co.th/products/440459473-frienda-2-pcs-battery-voltage-meter-waterproof-dc-12v-led store_origin: TH region: Thailand --- # IP65 waterproof rating Accurate 6-15V range Smart buzzer low-voltage alert Frienda 2 Pcs Battery Voltage Meter Waterproof Dc 12v LED Voltmeter Battery Monitor with Terminals Universal Round Tester with Blue Light for Car Motorcycle Boat **Brand:** frienda **Price:** āļŋ5748 **Availability:** ✅ In Stock ## Summary > 🔋 Never get caught powerless again — monitor your battery like a pro! ## Quick Answers - **What is this?** Frienda 2 Pcs Battery Voltage Meter Waterproof Dc 12v LED Voltmeter Battery Monitor with Terminals Universal Round Tester with Blue Light for Car Motorcycle Boat by frienda - **How much does it cost?** āļŋ5748 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/440459473-frienda-2-pcs-battery-voltage-meter-waterproof-dc-12v-led) ## Best For - frienda enthusiasts ## Why This Product - Trusted frienda brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - â€Ē **Effortless Installation:** Compact 1.5x1.6 inch round panel with terminals and threaded fixing ring for quick, secure setup. - â€Ē **Universal Compatibility:** Fits seamlessly on cars, motorcycles, boats, RVs, and more — your all-in-one battery guardian. - â€Ē **Intelligent Safety Alerts:** Smart buzzer alarm triggers below 11V, preventing unexpected battery failures and costly downtime. - â€Ē **Built to Brave the Elements:** IP65 waterproof and flame-retardant ABS housing ensures durability in any weather or environment. - â€Ē **Precision Voltage Monitoring:** Stay ahead with real-time 3-digit LED display and blue backlight for instant battery status. ## Overview The Frienda 2 Pcs Battery Voltage Meter is a compact, waterproof (IP65) digital voltmeter designed for 12V vehicles including cars, motorcycles, and boats. Featuring a clear 3-digit blue LED display, it measures voltage from 6 to 15V and alerts users with a buzzer when voltage drops below 11V. Constructed from flame-retardant ABS, it offers reverse polarity protection and easy installation with terminals and a threaded fixing ring, making it a reliable, universal battery monitoring solution. ## Description Features:How to use:The LED voltage gauges are easy and convenient for you to use, you only need to use a hole opener to open the hole of your car, put the voltmeters into the hole, and then tighten it with a threaded fixing ring.Clear display:The round panel voltmeters are designed with 3 bits LED displays with blue light, which can help you keep abreast of the battery charge and discharge status in time and remind you to charge or replace.Specifications:Material: ABSColor: as picture shownSize: about 1.5 x 1.6 x 1.1 inchesInput voltage: 12 VVoltage measurement range: 6-15 VBattery measurement status: green-full battery; orange-half full battery; red-low batteryPackage includes:2 x Waterproof LED DC digital display voltmeters4 x Insulated terminalsWarm notes:Due to the differences in lighting and screen settings, the color of the items may be slightly different from the picture.Due to different manual measurement methods, please allow slight size differences. Review: Nice unit with extended capabilities. Review: Best bang for your buck Volt meter out there. ## Features - What you will receive:2 Pcs Dc 12v waterproof led digital display voltage gauges round panel car voltmeters is about 37 X 41 X 29 mm / 1.5 X 1.6 X 1.1 Inches,with terminals waterproof voltmeter battery tester with blue light for boat marine car motorcycle - Smart Alarm: when the voltage is too low, the buzzer warning light will light up and send out a buzzer alarm. lt will self-check at the moment of power on, prompting a buzzer, and low-voltage alarm is a continuous buzzer sound;When the voltage in the 12V mode is lower than 11V the voltage is intelligently measured, and a buzzer alarm will be issued when it is too low - Multiple Protections: the 12v waterproof LED digital display voltage gauges are made of ABS and use flame retardant materials, which is durable and sturdy, waterproof; With reverse connection protection, can be applied to monitor the battery voltage, and timely grasp the state of your battery voltage to prevent failure; The terminals are applied to protect the power line and fuse overload - durable waterproof: This car battery voltage meter is IP65 Waterproof, With waterproof design it can effectively prevent rainwater from entering and causing damage to the voltmeter - Widely Applicable: the voltage gauge with terminals are suitable for most kinds of 12v voltage vehicles, such as cars, motorcycles, RVs, SUVs, off-road, ATVs, boats, marines, ships, trucks, tractors ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B096XNHH5Y | | Brand | Frienda | | Brand Name | Frienda | | Customer Reviews | 4.5 out of 5 stars 195 Reviews | | Included Components | 4 x Waterproof LED DC digital display voltmeters | | Item Dimensions | 13.5 x 9 x 4 Centimeters | | Item Weight | 59 g | | Item dimensions L x W x H | 13.5 x 9 x 4 Centimeters | | Manufacturer | Frienda | | Material | Acrylonitrile Butadiene Styrene (ABS) | | Material Type | Acrylonitrile Butadiene Styrene (ABS) | ## Product Details - **Brand:** Frienda - **Item Weight:** 0.13 Pounds - **Item dimensions L x W x H:** 5.31 x 3.54 x 1.57 inches - **Manufacturer:** Frienda - **Material:** Acrylonitrile Butadiene Styrene (ABS) ## Images ![Frienda 2 Pcs Battery Voltage Meter Waterproof Dc 12v LED Voltmeter Battery Monitor with Terminals Universal Round Tester with Blue Light for Car Motorcycle Boat - Image 1](https://m.media-amazon.com/images/I/717DyaKpxMS.jpg) ![Frienda 2 Pcs Battery Voltage Meter Waterproof Dc 12v LED Voltmeter Battery Monitor with Terminals Universal Round Tester with Blue Light for Car Motorcycle Boat - Image 2](https://m.media-amazon.com/images/I/71WYsSday1S.jpg) ![Frienda 2 Pcs Battery Voltage Meter Waterproof Dc 12v LED Voltmeter Battery Monitor with Terminals Universal Round Tester with Blue Light for Car Motorcycle Boat - Image 3](https://m.media-amazon.com/images/I/71z46CHR6AS.jpg) ![Frienda 2 Pcs Battery Voltage Meter Waterproof Dc 12v LED Voltmeter Battery Monitor with Terminals Universal Round Tester with Blue Light for Car Motorcycle Boat - Image 4](https://m.media-amazon.com/images/I/715F-0jsgoS.jpg) ![Frienda 2 Pcs Battery Voltage Meter Waterproof Dc 12v LED Voltmeter Battery Monitor with Terminals Universal Round Tester with Blue Light for Car Motorcycle Boat - Image 5](https://m.media-amazon.com/images/I/71N4aTah47S.jpg) ## Questions & Answers **Q: Does this work with AGM?** A: It will work with any vehicle. **Q: Do you need a switch inline to prevent the voltmeter from being constantly on when vehicle not in use?** A: Yes, need one, usually connected to the car battery, but it is connected indirectly. **Q: will this go to 16.5 volts ? Thank You** A: No it will not. This voltmeter monitors automotive battery voltage and anytime voltage is above 14.7 volts the indicator will blink and a buzzer will sound warning of voltage too high. **Q: what is the mAmp drain ?** A: The current drain is not the problem. The problem is that they are utter junk. I had 3 sets of these all fail within a short time, in the same manner (died to show a constant 5.5v in a 12v system) - the original set, and two warranty replacement sets. I finally gave up on them, even as warranty replacements. Bought replacements from PowerWerx, and they've been going fine for over a year, with no discernible issues. Slightly more expensive, but you get what you pay for. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Nice unit with extended capabilities. *by B***N on 29 April 2023* ### ⭐⭐⭐⭐⭐ Best bang for your buck Volt meter out there. *by E***D on 19 September 2023* ### ⭐⭐⭐⭐⭐ Nice battery gauge *by L***O on 1 August 2024* ## Frequently Bought Together - 2 Pcs DC 12V Waterproof LED Digital Display Voltage Gauges Round Panel Car Voltmeters with Terminals Waterproof Voltmeter Battery Tester with Blue Light for Boat Marine Car Motorcycle - TKDMR 10pcs 1/0 AWG-3/8 Battery Lugs,Heavy Duty Wire Lugs,Ring Terminals,Battery Cable Ends,0 Guage terminals,Battery Terminal Connectors with 10pcs 3:1 Heat Shrink Tubing - Ampper Battery Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator with Lugs for Car, Vehicle, RV and Boat (On/Off Kit) --- ## 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.co.th/products/440459473-frienda-2-pcs-battery-voltage-meter-waterproof-dc-12v-led](https://www.desertcart.co.th/products/440459473-frienda-2-pcs-battery-voltage-meter-waterproof-dc-12v-led) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-27*