--- product_id: 674556410 title: "Dlyfull Universal Battery Tester with LCD Display Battery Checker Voltage/Power for AA AAA C D 9V 1.2V Alk & Rechargeable CR2032 CR123A CR2 CRV3 6V 12V 3.2V 3.7V 18650 1.5V/3V Button Cell Batteries" brand: "dlyfull" price: "FREE" currency: JPY in_stock: false url: https://www.desertcart.jp/products/674556410-dlyfull-universal-battery-tester-with-lcd-display-battery-checker-voltage store_origin: JP region: Japan --- # Battery Self-Check High-Resolution LCD Wide Compatibility Dlyfull Universal Battery Tester with LCD Display Battery Checker Voltage/Power for AA AAA C D 9V 1.2V Alk & Rechargeable CR2032 CR123A CR2 CRV3 6V 12V 3.2V 3.7V 18650 1.5V/3V Button Cell Batteries **Brand:** dlyfull **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > 🔍 Never Get Caught with a Dead Battery Again! ## Quick Answers - **What is this?** Dlyfull Universal Battery Tester with LCD Display Battery Checker Voltage/Power for AA AAA C D 9V 1.2V Alk & Rechargeable CR2032 CR123A CR2 CRV3 6V 12V 3.2V 3.7V 18650 1.5V/3V Button Cell Batteries by dlyfull - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/674556410-dlyfull-universal-battery-tester-with-lcd-display-battery-checker-voltage) ## 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 - • **⚡ Quick Testing:** Effortlessly test cylindrical and button batteries in seconds. - • **📊 Accurate Readings:** High-resolution LCD display for precise voltage and capacity. - • **♻️ Eco-Friendly Usage:** Identify good batteries to reduce waste and save money. - • **✅ Smart Battery Self-Check:** Includes AAA batteries to ensure your tester is always ready. - • **🔋 Universal Compatibility:** Test a wide range of battery types, from AA to 18650! ## Overview The Dlyfull Universal Battery Tester is a versatile tool designed to check the voltage and capacity of a wide variety of batteries, including alkaline and rechargeable types. With its high-resolution LCD display, users can easily assess battery health, ensuring optimal performance and reducing waste. This tester is perfect for both personal and professional use, making it an essential gadget for anyone who relies on batteries. ## 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 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:Easily check the battery status for most of your general household batteriesWorks well with variety of popular battery sizes(AA, AAA, CR123 etc.)Easily operate & economical for most of youLarge LCD display clearly shows the resultsPowered by 2x AAA battery(battery included)Anti-slip finish holds comfortable & use safety.What is Included: 1x Dlyfull Universal Battery Checker; 1x AAA battery(pre-installed); 1x User ManualApplicable Battery Type:1.2V Ni-MH：AAA,AA,C,SC,D,N Battery;1.45V： A10，A13，A312，A675 Battery;1.5V：AAA,AA,C,SC,D,N Battery;1.5V：AG0, AG1, AG2, AG3, AG4, AG5, AG6, AG7, AG8, AG9, AG10, AG11, AG12, AG13 Battery;3.0V：CR927, CR1025, CR1216, CR1220, CR1616, CR1620, CR2016, CR2025, CR2032， CR2320, CR2430, CR2450 Battery; 3.0V：CR123A, CR2 Size, CR-V3 Battery; 6.0V：2CR5，CR-P2 Battery； 3.2V：10440,14500,14650,16340,17335,17500,18500,18650,26500,22650,26650 Battery； 3.7V：10440,14500,14650,16340,17335,17500,18500,18650,26500,22650,26650,32650 Battery； 9.0V: Alkaline, Ni-MH 9V Batteries； 12.0V Alkaline Combination Battery：23A，27A Battery; ## Features - Wide Compatibility: The universal battery tester is suitable for rechargeable batteries and alkaline batteries. It is fully compatible with A, AA, AAA, AAAA, C, SC, D, 1.2V, 1.45V, 1.5V, 3V, 3.2V, 3.7V, 6V, 9V, 12V, lithium-ion 26650, 21700, 18650, 16340 (CR123), 10440, CR2, CRV3, 2CR5, CR-P2, A10, A13, as well as various button batteries (LR621, CR2032), etc - Quick Tester: When tester cylindrical batteries, you need to place the anode（+） of the battery into the corresponding battery slot of the tester, and the tester pen will make contact with the cathode（-） to start the test. For button batteries and combination batteries, simply place them on the corresponding battery slots for testing - Accurate Tester: With a high-resolution LCD display, it can accurately show the voltage (V) and battery capacity percentage of the tested battery, allowing you to better understand the battery's status - Battery Self-check: It includes two AAA batteries for testing the normal operation of the tester. You can long-press the "CHECK" button on the tester to check the battery level of the working batteries - Battery Classification: With this universal battery tester, you can easily distinguish between good and old batteries, or determine if a device is not working due to a malfunction or battery issue. It can also prevent the unnecessary waste of batteries that are still in good condition but are discarded due to unknown status ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D48F7RK1 | | Brand | DLYFULL | | Built-In Media | Battery Tester | | Color | Black | | Customer Reviews | 4.2 4.2 out of 5 stars (104) | | Input Voltage | 3 Volts | | Manufacturer | Dlyfull | | Mfr Part Number | B4 | | Model Number | B4 | | Number of Items | 1 | | Specification Met | CE | | UPC | 825665405362 | ## Product Details - **Brand:** DLYFULL - **Colour:** Black - **Input voltage:** 3 Volts - **Specification met:** CE - **UPC:** 825665405362 ## Images ![Dlyfull Universal Battery Tester with LCD Display Battery Checker Voltage/Power for AA AAA C D 9V 1.2V Alk & Rechargeable CR2032 CR123A CR2 CRV3 6V 12V 3.2V 3.7V 18650 1.5V/3V Button Cell Batteries - Image 1](https://m.media-amazon.com/images/I/71ecK75eS4L.jpg) ## Frequently Bought Together - Dlyfull Universal Battery Tester with LCD Display Battery Checker Voltage/Power for AA AAA C D 9V 1.2V Alk & Rechargeable CR2032 CR123A CR2 CRV3 6V 12V 3.2V 3.7V 18650 1.5V/3V Button Cell Batteries - Kistenberg Battery Box KBB03 Battery Organizer - 115 Slots for Batteries, 295 mm x 195 mm x 70 mm - Nartel® LED Digital Battery Tester Battery Checker Multi Size for AA AAA C D 9V 1.5V Button Cell Batteries (Requires No Battery to Operate) --- ## 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/674556410-dlyfull-universal-battery-tester-with-lcd-display-battery-checker-voltage](https://www.desertcart.jp/products/674556410-dlyfull-universal-battery-tester-with-lcd-display-battery-checker-voltage) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-15*