--- product_id: 49654453 title: "Handy Digital Multimeter in-Line USB Battery Voltage Current Meter Indicator Power Tester Monitor Checker Detector for Arduino, STEAM Class, Solar Panel, Power Bank, Charger, Wall Adapter, Drone Batte" brand: "homern" price: "£19.05" currency: GBP in_stock: true category: "Misc." url: https://www.desertcart.co.uk/products/49654453-handy-digital-multimeter-in-line-usb-battery-voltage-current-meter store_origin: GB region: United Kingdom --- # Handy Digital Multimeter in-Line USB Battery Voltage Current Meter Indicator Power Tester Monitor Checker Detector for Arduino, STEAM Class, Solar Panel, Power Bank, Charger, Wall Adapter, Drone Batte **Brand:** homern **Price:** £19.05 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** Handy Digital Multimeter in-Line USB Battery Voltage Current Meter Indicator Power Tester Monitor Checker Detector for Arduino, STEAM Class, Solar Panel, Power Bank, Charger, Wall Adapter, Drone Batte by homern - **How much does it cost?** £19.05 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/49654453-handy-digital-multimeter-in-line-usb-battery-voltage-current-meter) ## Best For - homern enthusiasts ## Why This Product - Trusted homern brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description If you like knowing what is going on with your USB charging;this is for you. This is a very handy tool for tracing and eliminating USB power issues! When working with USB devices it is often useful to know how much power/current/voltage is being drawn by a device across an interface. For example, when you have a phone that is charging very slowly, it is useful to know if the problem is the phone itself or the power source. Using a meter, you can check the 搗itals?to know what demands the device is putting on the power source, and by comparison determine where the problem lies. This power meter is very simple to use and it is accurate. Features: Construction: Solidly constructed. Has held up well in work bag/pocket Fit: Solid USB connection Feel: Small size,nice materials Usability: Great for everyday use in diagnostics It is well-made, simple to operate and is immediately helpful With a pig tail type power meter, you can position the meter body to see its display Great little power meter,Accurate measurement, Bright and Large LED Display,Easy Readable Design, Pocket Size, Two USB Outlets, Widely Used Measure your USB device amperage and voltage.Very cool little gadget that allows you to plug in USB devices and check their draw. It displays the top number in red, the bottom in blue, and the contrast is enough that it is very readable even in bright light. Technical Parameters: Supply voltage/test voltage: 3.2 ~ 10V Test Current: 0 ~ 3A (10A Maximum) Operating Current: Display: 0.28 "LED, Red/Blue Display Ways: Blue display current, red display voltage Dimensions: 69 x 26 x 14mm USB extension cable: about 120mm Measuring rate: = 500mS / times Accuracy: 1% (?2 digits) Product Weight: 27g Package included: 1 x USB power current and voltage tester ampere meter ## Features - Great USB diagnostic power mter with two USB ports for charging and data sync, dual bright LED display for showing real-time current and voltage simultaneously.Great adapter monitor for iPhone iPad Galaxy Smartphone etc - This is a "must have" for anyone having trouble with charging cords, power supplies, or batteries in tablets and phones.Handy little gadget/tool helps troubleshoot your small electronic device issues,especially cheap long USB cords - The volt/current meter is tremendously accurate and helpful to monitor input and output volts and amps and is simple to hook up and use - Excellent device shows the most appropriate voltage, amperage automatically and serves to connect 2 devices with its 2 outlets at the same time - Applicable for Solar Pannel Power Bank, Charger, Wall Adapter, Electronic DIY Kit, rechargable cell phone and Other USB Devices ## Images ![Handy Digital Multimeter in-Line USB Battery Voltage Current Meter Indicator Power Tester Monitor Checker Detector for Arduino, STEAM Class, Solar Panel, Power Bank, Charger, Wall Adapter, Drone Batte - Image 1](https://images-na.ssl-images-amazon.com/images/I/61rB7LH2IcL._AC_UL160_SR160,160_.jpg) --- ## 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.uk/products/49654453-handy-digital-multimeter-in-line-usb-battery-voltage-current-meter](https://www.desertcart.co.uk/products/49654453-handy-digital-multimeter-in-line-usb-battery-voltage-current-meter) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-21*