--- product_id: 68924496 title: "Dlyfull Battery Tester for AA AAA C D 9V, Button Cell & Household Batteries" brand: "dlyfull" price: "¥6335" currency: JPY in_stock: true reviews_count: 13 url: https://www.desertcart.jp/products/68924496-dlyfull-battery-tester-for-aa-aaa-c-d-9v-button store_origin: JP region: Japan --- # Clear LCD voltage status Tests AA to 9V & button cells Instant battery health readout Dlyfull Battery Tester for AA AAA C D 9V, Button Cell & Household Batteries **Brand:** dlyfull **Price:** ¥6335 **Availability:** ✅ In Stock ## Summary > 🔋 Power up your life with precision—never get caught powerless again! ## Quick Answers - **What is this?** Dlyfull Battery Tester for AA AAA C D 9V, Button Cell & Household Batteries by dlyfull - **How much does it cost?** ¥6335 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/68924496-dlyfull-battery-tester-for-aa-aaa-c-d-9v-button) ## Best For - dlyfull enthusiasts ## Why This Product - Trusted dlyfull brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Crisp LCD Display:** Instantly see if your battery is good, weak, or dead with a sharp, easy-to-read screen—no guesswork required. - • **Rapid Health Check:** Get quick, reliable results in seconds to avoid wasting money on dead or damaged batteries. - • **Pocket-Sized Portability:** Compact, lightweight design with anti-slip grip—carry your battery expert wherever you go. - • **Money-Saving & Eco-Friendly:** Prolong battery life and reduce waste by knowing exactly when to replace or recharge. - • **Universal Battery Compatibility:** Effortlessly tests AA, AAA, C, D, 9V, and a wide range of button cells—one tool for all your power needs. ## Overview The Dlyfull Battery Tester is a compact, versatile device designed to quickly and accurately assess the health of a wide range of batteries including AA, AAA, C, D, 9V, and various button cells. Featuring a crisp LCD display, it provides instant voltage status to help users avoid unnecessary battery replacements. Powered by a single included AAA battery, it’s lightweight and portable, making it an essential tool for professionals and tech-savvy millennials who value efficiency, sustainability, and smart spending. ## Description Still Harassed by How to Distinguish Between Died and Good Batteries from Tons of Loose Batteries Collected Over Years? If so, Here is the Ideal Place to Help You Solve it! In old days, you had to find a little transistor radio or portable cassette player or some other device & spend half an hour plugging every single battery in to see if would run said device.But now, say goodbye to such stupid action since you are going to living with experienced assistant---Dlyfull Universal Battery Tester Main Features: What is Included ## Features - HIGH COMPATIBILITY: It is not only suitable for AA, AAA, C, CR123A, D, 9V, N, CR2, CRV3, 2CR5, CR-P2 cylindrical battery testing, but also good for checking a wide variety of button cell batteries - CRISP LCD SCREEN: Easy to use analyzer shows what you need to know about your battery’s health, it will accurately shows whether the battery is in poor, weak, or good condition of voltage - QUICK RESULTS: Simply place a battery into the decent battery detector, it will shows you quickly the status of your batteries’ health by the using bars, helps you avoid battery damage from unnecessary recharges. DON'T POWERED BY RECHARGEABLE BATTERY NOR TEST RECHARGEABLE BATTERIES - REMARKABLY COMPACT: One of the smallest and lightest portable battery checker. A pocket-friendly compact chassis with an anti-slip finish enables a firm grip in your hand for battery checking - WHAT YOU GET: Dlyfull Universal Battery Tester(1x AAA battery included), welcome guide, & our worry-free 18-month warranty and friendly customer service. A living assistant helps you save money as well as prolong the lifespan of all your batteries ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B07DPLD6KB | | Best Sellers Rank | #5,099 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #910 in Electrical Equipment | | Brand Name | DLYFULL | | Color | Black | | Customer Reviews | 4.5 4.5 out of 5 stars (12,302) 4.5 out of 5 stars | | Included Components | 1*B2 Battery Tester; 1*AAA Alkaline Batteries; Welcome Guide | | Item Dimensions | 5.2 x 3.46 x 0.94 inches | | Item Weight | 115 g | | Manufacturer | DLYFULL | | Measurement Type | Voltmeter | | Minimum Operating Voltage | 1.5 volts | | Model | B2 | | Number Of Items | 1 | | Part Number | B2 | | Power Source | Battery Powered | | Specification Met | CE, FCC, RoHS | | Style Name | Voltmeter | | Unit Count | 1 Count | | Upc | 742354203354 742354312971 | ## Product Details - **Brand:** DLYFULL - **Color:** Black - **Item Weight:** 115 g - **Power Source:** Battery Powered - **Style:** Voltmeter ## Images ![Dlyfull Battery Tester for AA AAA C D 9V, Button Cell & Household Batteries - Image 1](https://m.media-amazon.com/images/I/71-7laF6cWL.jpg) ## Questions & Answers **Q: Does the unit test the batteries under load?** A: No, the battery tester does not do load testing, the device is a basic battery tester that only looks at voltages & shows the relative charge by LCD screen. **Q: Is this tester made in China?** A: Yes, it is made in China. But for what it's worth, it's a nice tester. **Q: The instruction booklet that comes with the unit states: "remove the clear plastic strip". what clear plastic strip?** A: There should be a small strip that looks like Scotch tape on the battery housing. It might have been removed before you got it. If it works when you insert a battery, that was what happened. Hope that helps. **Q: What are the 2 silver buttons on the upper right side of the tester used for?** A: Button cell batteries and 9V batteries ## Customer Reviews ### ⭐⭐⭐⭐⭐ Battery Tester *by on Reviewed in the United States August 11, 2026* Good battery tester for any and all your batteries. Easy to use and you can test a variety of batteries. I would buy this again. ### ⭐⭐⭐⭐⭐ Quick and Accurate Battery Checker *by on Reviewed in the United States August 7, 2026* Hello! I've been using this battery tester for about a month, and it works really well. It was very easy to set up. Just take it out of the box, put in the included battery, and it's ready to use.To test a battery, just place it in the tester, and the screen instantly tells you if it's Poor, Weak, or Good (Excellent). The display is easy to read, and you get the results right away.I've used it on several different types of batteries, including rechargeable ones, and it has worked great every time.I've also compared this battery tester with another one just to check its accuracy, and the results were the same. It appears to be very accurate.Overall, this is a simple, useful tool that does exactly what it's supposed to do. I'm pretty happy with my purchase! ### ⭐⭐⭐⭐⭐ The perfect battery tester *by on Reviewed in the United States June 27, 2026* This is so easy to use. all you do is insert the battery. No guessing or trying to fit the battery in a slot. Easy to connect strong and durable material.A great buy for the money. The tester lets you know right away the strength of your battery. Battery testing made easy. ## Frequently Bought Together - Battery Tester, Dlyfull LCD Display Universal Battery Checker for AA AAA C D 9V CR2032 CR123A CR2 CRV3 2CR5 CRP2 1.5V/3V Button Cell Batteries, 1x AAA batteries included - Dlyfull Battery Tester, Small Battery Testers Universal Battery Checker for AAA AA C D 9V 1.5V Button Cell Household Batteries - Duracell Coppertop AA Batteries with Power Boost Ingredients, 24 Count Pack Double A Battery with Long-lasting Power, Alkaline AA Battery for Household and Office Devices --- ## 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.jp/products/68924496-dlyfull-battery-tester-for-aa-aaa-c-d-9v-button](https://www.desertcart.jp/products/68924496-dlyfull-battery-tester-for-aa-aaa-c-d-9v-button) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-21*