--- product_id: 278506336 title: "KW510 Car Battery Charger" brand: "konnwei" price: "¥19130" currency: JPY in_stock: true category: "Konnwei" url: https://www.desertcart.jp/products/278506336-kw510-car-battery-charger store_origin: JP region: Japan --- # 5A max output with pulse repair tech 3-in-1 charger, tester & maintainer 8 safety protections + temp compensation KW510 Car Battery Charger **Brand:** konnwei **Price:** ¥19130 **Availability:** ✅ In Stock ## Summary > 🔋 Power up smarter, not harder — never get stranded again! ## Quick Answers - **What is this?** KW510 Car Battery Charger by konnwei - **How much does it cost?** ¥19130 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/278506336-kw510-car-battery-charger) ## Best For - konnwei enthusiasts ## Why This Product - Trusted konnwei brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Pulse Repair:** Revive sulfated batteries and extend lifespan with cutting-edge pulse desulfation technology. - • **Safety-First Design:** Advanced protections including reverse polarity, overload, and temperature compensation keep you worry-free. - • **All-in-One Powerhouse:** Test, charge, and repair your 12V batteries effortlessly with one sleek device. - • **Universal Compatibility:** Works flawlessly with all 12V lead-acid batteries—flooded, AGM, gel, and more. - • **Instant Battery Health Insights:** Get precise voltage, internal resistance, and CCA readings on a vibrant color LCD in seconds. ## Overview The KONNWEI KW510 is a professional-grade 3-in-1 automotive battery tester, charger, and maintainer designed for 12V lead-acid batteries. Featuring a large color LCD, it delivers fast, accurate diagnostics including voltage, internal resistance, and cold cranking amps. Its fully automatic 5-amp charging with pulse repair technology restores battery health by combating sulfation. Compatible with a wide range of battery types and vehicles, it prioritizes safety with 8 built-in protections and smart temperature compensation, making it an essential tool for proactive battery care. ## Description Buy KONNWEI 3 in 1 Car Battery Charger, KW510 Battery Tester 12V 5-Amp Fully Automatic Smart Charger Automotive Pulse Repair Maintainer, Trickle Charger Battery Desulfator w/Temp Compensation: Battery Chargers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - 【All-in-one Battery Charger】KONNWEI KW510 is a professional 3 in 1 battery tester, battery charger, battery maintainer(pulse repair), trickle charger and battery desulfator. The large color LCD display and button-operated features will be more convenient compared to other similar products. Perfect Gift for holidays! - 【Accurate Battery Tester】running for years but no idea about battery status? KW510 12v battery tester provides you an overall analysis of battery health by checking its voltage charge, internal resistance then tells you whether the battery needs to be recharged. Also this battery tester runs cranking and charging system test and car alternator tester charging. - 【Fully Automatic Battery Charger】charge batteries as low as 2-volt, max output 12-volt 5-amp. KW510 battery charger not only helps you charge the batteries but also adapts the newest pulse repair technology, one-click repair and automatically detects battery sulfation and acid stratification to bring the batteries back to life and restore their performance. - 【Universal Compatible】KW510 can test, charge and repair all 12-volt 100-2000CCA lead-acid batteries including regular flooded, AGM flat plate, AGM spiral, or gel batteries. The perfect automotive battery tester to diagnose the batteries of cars, boats, lawnmowers, etc. - 【Highest Safety Priority】safety charging is the most important thing! Except the smart temp compensation that fits all climates and auto change to low current mode after fully charged, KW510 also supports up to 8 kinds of protection like reverse polarity, overload, over-current, overheat, cooling system, fireproof material, short circuit protection, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08N52DKC9 | | Best Sellers Rank | #334,086 in Automotive ( See Top 100 in Automotive ) #1,057 in Battery Chargers | | Brand | KONNWEI | | Brand Name | KONNWEI | | Color | Yellow | | Compatible Devices | Cars, boats, lawnmowers, etc. | | Customer Reviews | 4.3 out of 5 stars 756 Reviews | | Item Dimensions | 6.3 x 3.7 x 2.4 inches | | Item Weight | 1.4 pounds | | Item dimensions L x W x H | 6.3 x 3.7 x 2.4 inches | | Manufacturer | KONNWEI | | Measurement Type | Voltmeter, Ohmmeter | | Min. Operating Voltage | 12 volts | | Minimum Operating Voltage | 12 volts | | Model | KW510 | | Number of Items | 1 | | Part Number | KW510 | | Power Source | Battery Powered | | UPC | 657419949613 657419949682 | | Unit Count | 1 Count | | Warranty Description | 2 years | ## Product Details - **Brand:** KONNWEI - **Color:** Yellow - **Item Weight:** 1.4 pounds - **Item dimensions L x W x H:** 6.3 x 3.7 x 2.4 inches - **Power Source:** Battery Powered ## Images ![KW510 Car Battery Charger - Image 1](https://m.media-amazon.com/images/I/61Ao8HNb+BL.jpg) ![KW510 Car Battery Charger - Image 2](https://m.media-amazon.com/images/I/71b20KbiVqL.jpg) ![KW510 Car Battery Charger - Image 3](https://m.media-amazon.com/images/I/61B+toyjAaL.jpg) ![KW510 Car Battery Charger - Image 4](https://m.media-amazon.com/images/I/7108myk32aL.jpg) ![KW510 Car Battery Charger - Image 5](https://m.media-amazon.com/images/I/71tm2YAJnYL.jpg) ## Questions & Answers **Q: Made in China?** A: Yessir **Q: What is the recommended number of hours to repair a deep cycle battery?** A: It's based on your battery's capacity, such as AH. if the deep cycle battery's AH is 50AH. the KW510 maximum output will be 5A, and it will take 10 hours for recommended charging time. AH= A * Time **Q: Is it a portable charger?** A: Yes, KW510 is a portable charger, the smart charger's Dimensions: 6.3” x 3.7” x 2.4” Item Weight: 1.43 pounds **Q: Anyone know of a charger with all the features of this that also actually "maintains"? This one doesn't. The longest you can charge is 48 hours max** A: I was an auto trickel changer. ## Frequently Bought Together - KONNWEI 3 in 1 Battery Charger, Car Battery Tester KW510 12V 5-Amp Fully Automatic Smart Charger Automotive Pulse Repair Maintainer, Trickle Charger Battery Desulfator w/Temp Compensation - NOCO GENIUS1, 1-Amp Fully-Automatic Smart Charger, 6V and 12V Portable Battery Charger, Battery Maintainer, Trickle Charger, and Battery Desulfator with Temperature Compensation --- ## 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/278506336-kw510-car-battery-charger](https://www.desertcart.jp/products/278506336-kw510-car-battery-charger) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-11-08*