--- product_id: 246594036 title: "ES Electronic Specialties - 309A Fuse Buddy Mini Kit - Improved,black" brand: "es" price: "NT$4969" currency: TWD in_stock: true reviews_count: 5 category: "Es" url: https://www.desertcart.tw/products/246594036-es-electronic-specialties-309a-fuse-buddy-mini-kit-improved-black store_origin: TW region: Taiwan --- # Tests Micro, Mini & ATO fuses Measures up to 30 Amps with 0.1A precision Plug-in design for instant readings ES Electronic Specialties - 309A Fuse Buddy Mini Kit - Improved,black **Brand:** es **Price:** NT$4969 **Availability:** ✅ In Stock ## Summary > ⚡ Fuse Buddy Mini Kit: Power up your diagnostics with precision and ease! ## Quick Answers - **What is this?** ES Electronic Specialties - 309A Fuse Buddy Mini Kit - Improved,black by es - **How much does it cost?** NT$4969 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/246594036-es-electronic-specialties-309a-fuse-buddy-mini-kit-improved-black) ## Best For - es enthusiasts ## Why This Product - Trusted es brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact & Accessible:** New improved adapters fit tightly spaced fuse boxes, making testing easier than ever. - • **On-the-Go Convenience:** Includes a sleek storage pouch—carry your Fuse Buddy Mini Kit anywhere and never miss a diagnostic beat. - • **Plug & Play Diagnostics:** Instantly plugs into fuse panels for real-time circuit amp readings—no hassle, no guesswork. - • **Precision Amp Monitoring:** Accurately measures current up to 30 Amps with fine 0.1 Amp resolution for professional-grade diagnostics. - • **Universal Fuse Compatibility:** Seamlessly tests Micro, Mini, and ATO fuse circuits for ultimate versatility. ## Overview The ES Electronic Specialties 309A Fuse Buddy Mini Kit is a compact, plug-in electrical testing tool designed for professional and DIY use. It supports testing of Micro, Mini, and ATO fuse circuits up to 30 Amps with 0.1 Amp resolution. Featuring improved adapters for tight fuse box access and a handy storage pouch, it delivers quick, accurate circuit amp readings to streamline diagnostics and installations. ## Description Fuse Buddy Mini Kit plugs directly into the fuse panel. You see circuit amperage up to 30A, very handy for diagnostics and installations. Review: Handy for parasitic draw measuring moderate loads - Good tool for monitoring moderate draw accurately, is also strong enough to check blower motor and lighting circuit draw quickly by plugging in place of fuse. Would be nice if tool came with resettable circuit breakers, you need to plug the removed fuse in the tool to complete circuit. Works very well Review: Great Product - "Excellent product! Works exactly as described, high quality, and exceeded my expectations. Highly recommend!" ## Features - New improved adapters allow better accessibility in tightly spaced fuse boxes - Tests all three fuse sizes: Micro, Mini & ATO circuits - Plug in Fuse Buddy and read circuit amp draws - Easy test connection into fused circuits - Includes storage pouch - Can be used on circuits up to 30 Amps - resolution 0. 1 Amps ## Technical Specifications | Specification | Value | |---------------|-------| | AC adapter current | 1 Amps | | ASIN | B083TCDQBH | | Best Sellers Rank | 651,289 in DIY & Tools ( See Top 100 in DIY & Tools ) 2,837 in Fuses & Holders | | Brand | ES | | Colour | black | | Current Rating | 30 Amps | | Customer Reviews | 4.6 out of 5 stars 511 Reviews | | Global Trade Identification Number | 00858834005445 | | Included Components | Battery, Clear storage pouch, Fuse Buddy, Instruction manual, Three adapters | | Item Dimensions | 7.6 x 3.8 x 2.5 centimetres | | Item Type Name | Fuse Buddy Mini Kit - Improved | | Item dimensions L x W x H | 7.6 x 3.8 x 2.5 centimetres | | Manufacturer | Electronic Specialties | | Manufacturer Part Number | 309A | | Material | Ceramic , Copper , Plastic | | Maximum Current | 1 Amps | | Model Number | 309A | | Mounting Type | Through-Hole Mount | | Mounting type | Through-Hole Mount | | Number of Items | 1 | | Number of Packs | 1 | | UPC | 858834005445 | | Unit Count | 1.0 count | ## Product Details - **AC adapter current:** 1 Amps - **Brand:** ES - **Item dimensions L x W x H:** 7.6 x 3.8 x 2.5 centimetres - **Material:** Ceramic, Copper, Plastic - **Mounting type:** Through-Hole Mount ## Images ![ES Electronic Specialties - 309A Fuse Buddy Mini Kit - Improved,black - Image 1](https://m.media-amazon.com/images/I/51q74SQg21S.jpg) ## Questions & Answers **Q: How does this compare to the 310 model?** A: 310 has 30 Amp clips allowing it to be used as a portable amp meter. Further, the head unit has upgraded display with analog bargraph and data hold. 310 does not have an adapter for the new micro fuses, we are currently working on that. **Q: Is the probe fused to protect the meter?** A: You remove the car fuse and plqce it in the tester’s receptacle. The car fuse protects any overload. **Q: Is 0.1A resolution, that would be 1.2W, fine enough to find a power leak that takes days to drain a battery?** A: Maximum allowable draw is usually 0.050 amps or 50 ma. So this tester would help if your battery went dead overnight possibly but not for anything that takes days. Now for the reason I like it. If you're adding accessories to a vehicle, you can use it to calculate startup loads and running loads to appropriately size wiring and fuses. For this reason I recommend it. **Q: What kind of battery do you need? Is it a standard size? Do you also sell the batteries if they are not standard sized ones?** A: A23 battery, readily available. Here's a listing for sale on Amazon. https://www.amazon.com/Energizer-Mercury-Alkaline-Batteries-Packaging/dp/B00004YK10?th=1 ## Customer Reviews ### ⭐⭐⭐⭐⭐ Handy for parasitic draw measuring moderate loads *by A***E on 2 May 2026* Good tool for monitoring moderate draw accurately, is also strong enough to check blower motor and lighting circuit draw quickly by plugging in place of fuse. Would be nice if tool came with resettable circuit breakers, you need to plug the removed fuse in the tool to complete circuit. Works very well ### ⭐⭐⭐⭐⭐ Great Product *by R***S on 19 April 2026* "Excellent product! Works exactly as described, high quality, and exceeded my expectations. Highly recommend!" ### ⭐⭐⭐⭐⭐ great *by A***R on 25 February 2026* worked great just what i needed ## Frequently Bought Together - Electronic Specialties - 309A Fuse Buddy Mini Kit - Improved,black - Automotive Low Profile ATC ATO Fuse Car Resettable 3A 5A 7.5A 10A 15A 20A 25A 30A Standard Fuses Manual Reset Fuses Blade Circuit Breaker for Boat Truck SUV Motorcycle 32VDC Fuse Assortment Kit - ATM Manual Resettable Fuse Low Profile Mini Blade Fuses 5A 6A 7.5A 10A 15A 20A 25A 30A Amp Automotive Circuit Breaker Fuses Reset Fuses Assortment Kit Boat Marine RV Car Truc DC 12V 28 Volts --- ## 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.tw/products/246594036-es-electronic-specialties-309a-fuse-buddy-mini-kit-improved-black](https://www.desertcart.tw/products/246594036-es-electronic-specialties-309a-fuse-buddy-mini-kit-improved-black) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-10-11*