--- product_id: 537543852 title: "2 Pack Battery Tester, Universal Battery Checker for AA/AAA/C/D / 9V / 1.5V Button Cell Batteries Household Battery Life Level Testers Power Monitor Meter (Requires No Battery for Operation)" brand: "tfjaytoo" price: "S/.50" currency: PEN in_stock: true reviews_count: 8 category: "Tfjaytoo" url: https://www.desertcart.pe/products/537543852-2-pack-battery-tester-universal-battery-checker-for-aa-aaa store_origin: PE region: Peru --- # Compact & portable design Accurate voltage level readings Universal battery compatibility 2 Pack Battery Tester, Universal Battery Checker for AA/AAA/C/D / 9V / 1.5V Button Cell Batteries Household Battery Life Level Testers Power Monitor Meter (Requires No Battery for Operation) **Brand:** tfjaytoo **Price:** S/.50 **Availability:** ✅ In Stock ## Summary > 🔋 Power up your peace of mind with the ultimate universal battery tester! ## Quick Answers - **What is this?** 2 Pack Battery Tester, Universal Battery Checker for AA/AAA/C/D / 9V / 1.5V Button Cell Batteries Household Battery Life Level Testers Power Monitor Meter (Requires No Battery for Operation) by tfjaytoo - **How much does it cost?** S/.50 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/537543852-2-pack-battery-tester-universal-battery-checker-for-aa-aaa) ## Best For - tfjaytoo enthusiasts ## Why This Product - Trusted tfjaytoo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Save Money & Time:** Eliminate guesswork and avoid unnecessary battery purchases effortlessly. - • **No Batteries Needed:** Self-powered design means zero downtime—always ready when you are. - • **Precision Power Insights:** Clear indicator bars deliver instant, reliable battery health status. - • **Pocket-Sized Power Monitor:** Lightweight and compact for on-the-go testing anywhere, anytime. - • **Test Every Battery, Every Time:** Supports AA, AAA, C, D, 9V & button cells for ultimate versatility. ## Overview The 2 Pack Battery Tester by TFJAYTOO is a versatile, no-battery-required device designed to accurately measure voltage levels across AA, AAA, C, D, 9V, and 1.5V button cell batteries. Its compact, lightweight design makes it perfect for home, travel, or on-the-go use, helping you save money and time by quickly identifying battery health with easy-to-read indicator bars. ## Description Product description Handy Battery Tester, Makes it Easier to Know When it is Time to Get a New Battery! Red= Replace Yellow= Low Power Green= Good The display needle will show battery capacity. Lightweight and compact design, measures 11 × 6 × 2.5 cm Test multiple sizes of batteries in one unit Internal batteries are not required to operate You can test whether the battery's capacity is low or high. It does not detect battery capacity accurately . Battery Tester is activated by the battery being checked,test fast to avoid battery lose. ## Features - 【Package Content】 - 2 Pack battery tester, Opp bag. Weight light and easy to carry. - 【Accurate Testing】 Our battery tester is designed to give you an accurate reading of the voltage levels of almost all types of batteries, including AA, AAA, C, D, 9V and button cell batteries. - 【Easy to Use】 Simply place the batteries in the correct slots and read the easy-to-read indicator bars to get an accurate reading of the battery's power level. - 【Portable and Compact】 Our battery tester is lightweight and small enough to fit easily into your pocket, so you can take it with you on-the-go wherever you need it. - 【Saves Time and Money】With our battery tester, you can avoid the hassle of guessing which batteries are still good and which ones are dead, and avoid purchasing new batteries unnecessarily. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BY9771NC | | Brand | TFJAYTOO | | Brand Name | TFJAYTOO | | Color | Black | | Customer Reviews | 4.4 out of 5 stars 2,408 Reviews | | Included Components | NO | | Manufacturer | TFJAYTOO | | Measurement Type | Voltmeter | | Min. Operating Voltage | 1.5 Volts | | Minimum Operating Voltage | 1.5 Volts | | Part Number | CDY | | Power Source | Battery Powered | | Style | Compact | | Style Name | Compact | | Unit Count | 2.0 Count | ## Product Details - **Brand:** TFJAYTOO - **Color:** Black - **Min. Operating Voltage:** 1.5 Volts - **Power Source:** Battery Powered - **Style:** Compact ## Images ![2 Pack Battery Tester, Universal Battery Checker for AA/AAA/C/D / 9V / 1.5V Button Cell Batteries Household Battery Life Level Testers Power Monitor Meter (Requires No Battery for Operation) - Image 1](https://m.media-amazon.com/images/I/61QsAf2--rL.jpg) ![2 Pack Battery Tester, Universal Battery Checker for AA/AAA/C/D / 9V / 1.5V Button Cell Batteries Household Battery Life Level Testers Power Monitor Meter (Requires No Battery for Operation) - Image 2](https://m.media-amazon.com/images/I/51tJhafIk3L.jpg) ![2 Pack Battery Tester, Universal Battery Checker for AA/AAA/C/D / 9V / 1.5V Button Cell Batteries Household Battery Life Level Testers Power Monitor Meter (Requires No Battery for Operation) - Image 3](https://m.media-amazon.com/images/I/51sGTfqaESL.jpg) ![2 Pack Battery Tester, Universal Battery Checker for AA/AAA/C/D / 9V / 1.5V Button Cell Batteries Household Battery Life Level Testers Power Monitor Meter (Requires No Battery for Operation) - Image 4](https://m.media-amazon.com/images/I/51NtNOyFtQL.jpg) ![2 Pack Battery Tester, Universal Battery Checker for AA/AAA/C/D / 9V / 1.5V Button Cell Batteries Household Battery Life Level Testers Power Monitor Meter (Requires No Battery for Operation) - Image 5](https://m.media-amazon.com/images/I/4138xH3amYL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by G***W on January 8, 2024* ### ⭐⭐⭐⭐⭐ Review *by M***X on April 27, 2026* ### ⭐⭐⭐⭐ Review *by A***R on February 1, 2026* ## Frequently Bought Together - 2 Pack Battery Tester, Universal Battery Checker for AA/AAA/C/D / 9V / 1.5V Button Cell Batteries Household Battery Life Level Testers Power Monitor Meter (Requires No Battery for Operation) - Tenergy T-333 Universal Battery Tester, LCD Display, Cell Checker, Multi-Purpose Small Battery Tester, for AA, AAA, C, D, 9V, CR123A, CR2, CRV3, 2CR5k CRP2, and Button Cell Batteries - Amazon Basics AAA Alkaline High-Performance Batteries, 1.5 Volt, 10-Year Shelf Life, 36 count (Pack of 1) --- ## 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.pe/products/537543852-2-pack-battery-tester-universal-battery-checker-for-aa-aaa](https://www.desertcart.pe/products/537543852-2-pack-battery-tester-universal-battery-checker-for-aa-aaa) --- *Product available on Desertcart Peru* *Store origin: PE* *Last updated: 2026-05-06*