--- product_id: 728180392 title: "Universal Battery Checker Tester with Leads LCD Display, Battery Capacity Voltage Resistance Tester for AAA AA C D 9V Digital 12V 3.7V Li-ion 18650 CR123A CR2032 Button Cell Batteries More" brand: "x-cosrack" price: "FREE" currency: EUR in_stock: false reviews_count: 5 url: https://www.desertcart.be/products/728180392-universal-battery-checker-tester-with-leads-lcd-display-battery-capacity store_origin: BE region: Belgium --- # Internal resistance measurement Precise capacity & voltage readout Universal battery compatibility Universal Battery Checker Tester with Leads LCD Display, Battery Capacity Voltage Resistance Tester for AAA AA C D 9V Digital 12V 3.7V Li-ion 18650 CR123A CR2032 Button Cell Batteries More **Brand:** x-cosrack **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > 🔋 Know Your Power, Own Your Day! ## Quick Answers - **What is this?** Universal Battery Checker Tester with Leads LCD Display, Battery Capacity Voltage Resistance Tester for AAA AA C D 9V Digital 12V 3.7V Li-ion 18650 CR123A CR2032 Button Cell Batteries More by x-cosrack - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/728180392-universal-battery-checker-tester-with-leads-lcd-display-battery-capacity) ## Best For - x-cosrack enthusiasts ## Why This Product - Trusted x-cosrack brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Portable Power Pro:** Compact, lightweight, and powered by 2 AAA batteries (not included)—take it anywhere, test anytime. - • **All-in-One Battery Master:** Supports AAAA to 12V, Li-ion, button cells & more—never guess your battery health again. - • **Crystal Clear LCD Display:** Instantly read battery status with a bright, easy-to-understand screen—no tech jargon needed. - • **Multimeter-Level Precision:** Measures capacity %, voltage, and internal resistance for a full diagnostic—know exactly when to recharge or replace. - • **Effortless Testing with Leads:** No battery slots—just connect leads and get results fast, saving you time and hassle. ## Overview This Universal Battery Checker Tester is a compact, handheld device designed to test a wide range of batteries from AAAA to 12V, including rechargeable Li-ion and button cells. Featuring a clear LCD display, it provides precise readings of battery capacity percentage, voltage, and internal resistance, enabling users to accurately assess battery health and avoid overcharging or premature disposal. Powered by 2 AAA batteries (not included), it offers quick, lead-based testing without the need for battery slots, making it an essential tool for professionals and households alike. ## Description Still puzzled with whether your batteries are good or bad? Now it is quite easy with our battery tester. X-cosrack home battery checker tester applies supperior copper and adjustable leads ensures the accuracy of test.It can not only used as battery capacity percentage detector, but also used as voltage and battery internal resistance meter,like simple multimeter, but it's easier to operate and cheaper than multi-meter.This versatile tester can help you know your batteries' health clearly. Having good batteries is important for you to DIY battery pack.Feature:* Large clear LCD display* Compatible with all home standard and rechargeable batteries * Easy to operate with adjustable copper leads* Small size, portable handheld tester * Powered by 2x AAA battery( battery not included) * Certificated by CE/RoHS/FCC High Compatibility, One Tester is Enough. Work with:a. 1.2V Ni-MH Cylindrical Batteries: AAAA, AAA, AA, A, C, SC, D b. 1.4V Zinc air battery: A10, A13, A312, A675 c. 1.5V alkaline cylindrical batteries: AAA, AA, C, SC, D d. 1.5V alkaline button cell: LR621(AG1), LR726(AG2), LR41(AG3), LR626(AG4), LR754(AG5) LR921(AG6), LR927(AG7), LR1120(AG8), LR936(AG9), LR1130(AG10), LR721(AG11), LR43(AG12), LR44(AG13) e. 3.0V lithium manganese button cell: CR1025, CR1216, CR1220, CR1616, CR1620, CR2016, CR2025, CR2032, CR2320, CR2430, CR2450 f. 3.0V lithium manganese column battery: CR123A, CR2 g. 6.0V lithium manganese battery pack: 2CR5, CR-P2 h. 3.2V lithium iron phosphate battery: 10440,14500,14650,16340, 17335, 17500,18500, 18650, 26500, 22650, 26650, 32650 i. 3.7V lithium-ion battery: 10440, 14500, 14650, 16340, 17335, 17500, 18500, 18650, 26500, 22650, 26650, 32650, 3271 j. 9.0V alkaline 9.0V battery: 6LR61 k. 12.0V alkaline batteries: 23A, 27A Package including:* 1x battery checker tester with leads*1x User Manual Review: This battery tester works quite well. It accurately tells the battery's power level, not just good, bad, or needs replaced like some testers do. The price isn't bad for the item. It is pretty well built also. It has an electronic display and takes batteries. It tells the % of battery power left from 0 to 100%. It can test about any type of battery. Review: Este aparato logra decirte datos vitales de las pilas. No solo el voltaje y el porcentaje de carga, sino que también la resistencia interna; factor que sirve para determinar el estado real de una pila. Además trae su estuche para protegerlo, un extra que no esperaba recibir, pero estoy satisfecho de que llegara. ## Features - HIGH COMPATIBILITY: This digital battery tester fit for all common batteries from small to large- AAAA, AAA, AA, A, C, SC, D, 9V, 3.7V 10440,18650, CR2, CRV3, 2CR5, A13, various button cell(LR621, CR2032)etc.; perfect household battery tester for disposable and rechargeable batteries. - CLEAR LCD SCREEN: Easy to read the state of your battery, it will analyze whether your battery is good or not or whether they need to be charged; compact and lightweight tool, portable handheld tester. - MULTI-FUNCTIONAL TESTER: This battery checker can not only detect battery capacity percentage level precisely, but measure the voltage and internal resistance of household battery, equal to simple multimeter. Capacity percentage indicates battery power is high or low, and resistance reflects whether battery quality is good or not, smaller resistance, better battery. - EASY TO USE: Just switch corresponding voltage and use leads to test, no need to insert battery into slot; the digital tester will quickly show the status of your batteries’ health, helps to avoid battery damage from overcharging. POWERED by 2 NON-RECHARGEABLE AAA ALKALINE BATTERIES. - TIPS: What you get is a universal battery checker tester (2 AAA batteries not included). If you have any questions, don't hesitate to contact us. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07WS7HR31 | | Brand Name | X-cosrack | | Color | Black | | Customer Reviews | 4.4 4.4 out of 5 stars (929) | | Item Dimensions | 7.6 x 13.7 x 2.8 centimeters | | Manufacturer | X-cosrack | | Measurement Type | Multimeter | | Model | M-BTB3-US | | Power Source | Battery Powered | | Style Name | B3 | | UPC | 194358026420 | ## Product Details - **Brand:** X-cosrack - **Colour:** Black - **Item dimensions L x W x H:** 7.6 x 13.7 x 2.8 centimeters - **Power source:** Battery Powered - **Style:** B3 ## Images ![Universal Battery Checker Tester with Leads LCD Display, Battery Capacity Voltage Resistance Tester for AAA AA C D 9V Digital 12V 3.7V Li-ion 18650 CR123A CR2032 Button Cell Batteries More - Image 1](https://m.media-amazon.com/images/I/71-9B5GLajL.jpg) ![Universal Battery Checker Tester with Leads LCD Display, Battery Capacity Voltage Resistance Tester for AAA AA C D 9V Digital 12V 3.7V Li-ion 18650 CR123A CR2032 Button Cell Batteries More - Image 2](https://m.media-amazon.com/images/I/710pFSvCzKL.jpg) ![Universal Battery Checker Tester with Leads LCD Display, Battery Capacity Voltage Resistance Tester for AAA AA C D 9V Digital 12V 3.7V Li-ion 18650 CR123A CR2032 Button Cell Batteries More - Image 3](https://m.media-amazon.com/images/I/711tno70JbL.jpg) ![Universal Battery Checker Tester with Leads LCD Display, Battery Capacity Voltage Resistance Tester for AAA AA C D 9V Digital 12V 3.7V Li-ion 18650 CR123A CR2032 Button Cell Batteries More - Image 4](https://m.media-amazon.com/images/I/71h7EAEGQJL.jpg) ![Universal Battery Checker Tester with Leads LCD Display, Battery Capacity Voltage Resistance Tester for AAA AA C D 9V Digital 12V 3.7V Li-ion 18650 CR123A CR2032 Button Cell Batteries More - Image 5](https://m.media-amazon.com/images/I/715eJ96AMdL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by D***R on 24 March 2025* This battery tester works quite well. It accurately tells the battery's power level, not just good, bad, or needs replaced like some testers do. The price isn't bad for the item. It is pretty well built also. It has an electronic display and takes batteries. It tells the % of battery power left from 0 to 100%. It can test about any type of battery. ### ⭐⭐⭐⭐⭐ Review *by A***O on 28 July 2024* Este aparato logra decirte datos vitales de las pilas. No solo el voltaje y el porcentaje de carga, sino que también la resistencia interna; factor que sirve para determinar el estado real de una pila. Además trae su estuche para protegerlo, un extra que no esperaba recibir, pero estoy satisfecho de que llegara. ### ⭐⭐⭐⭐⭐ Review *by C***D on 10 February 2021* does all kind of small batteries , seems well built and works well. A little on the expensive side but if it last and is a top end unit it's worth it. Time will tell. So far happy with it. ## Frequently Bought Together - Universal Battery Checker Tester with Leads LCD Display, Battery Capacity Voltage Resistance Tester for AAA AA C D 9V Digital 12V 3.7V Li-ion 18650 CR123A CR2032 Button Cell Batteries More - Gardner Bender GBT-500A Analog 1.5 V Button Cell/22.5 Photo/AA/AAA/12 V/9 V/Lantern Cells & More, Leads Battery Tester,14 Battery Range, Black - La Crosse 911-65557-INT Portable Digital Battery Tester,Black --- ## 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.be/products/728180392-universal-battery-checker-tester-with-leads-lcd-display-battery-capacity](https://www.desertcart.be/products/728180392-universal-battery-checker-tester-with-leads-lcd-display-battery-capacity) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-10-10*