--- product_id: 646259144 title: "Kobalts 40-Volt 4-Amps 4.0ah Rechargeable Lithium Ion (Li-Ion) Cordless Power Equipment Battery" brand: "kobalts" price: "Β₯41409" currency: JPY in_stock: true url: https://www.desertcart.jp/products/646259144-kobalts-40-volt-4-amps-4-0ah-rechargeable-lithium-ion store_origin: JP region: Japan --- # 4.0Ah Capacity Fade-Free Performance 40V Power Kobalts 40-Volt 4-Amps 4.0ah Rechargeable Lithium Ion (Li-Ion) Cordless Power Equipment Battery **Brand:** kobalts **Price:** Β₯41409 **Availability:** βœ… In Stock ## Summary > πŸ”‹ Power Up Your Projects with Kobalt! ## Quick Answers - **What is this?** Kobalts 40-Volt 4-Amps 4.0ah Rechargeable Lithium Ion (Li-Ion) Cordless Power Equipment Battery by kobalts - **How much does it cost?** Β₯41409 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/646259144-kobalts-40-volt-4-amps-4-0ah-rechargeable-lithium-ion) ## Best For - kobalts enthusiasts ## Why This Product - Trusted kobalts brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **No Memory Loss:** Charge it up without worrying about memory lossβ€”always ready when you are! - β€’ **Extended Runtime:** Double the capacity of the 2.0Ah battery for longer, uninterrupted use. - β€’ **Smart Fuel Gauge:** Easily monitor your power levels with the built-in fuel gauge. - β€’ **Unleash the Power:** Experience fade-free performance with Kobalt's 40-volt lithium-ion battery. - β€’ **Tool Compatibility:** Seamlessly integrates with the entire Kobalt 40-volt max tool lineup. ## Overview The Kobalt 40-Volt 4.0Ah Rechargeable Lithium Ion Cordless Power Equipment Battery offers high-performance energy solutions for your outdoor tools. With double the capacity of its predecessor, this battery ensures extended run times and compatibility with the Kobalt 40-volt max tool range, all while featuring a convenient fuel gauge for easy monitoring. ## Description Kobalts40-Volt 4-Amps 4.0ah Rechargeable Lithium Ion (Li-Ion) Cordless Power Equipment Battery ## Features - High performance Kobalt 40-volt Li-ion 4.0ah battery delivers fade-free power with no memory loss after charging - Long run battery has double the capacity of the 2.0-Ah Kobalt quick charge battery and provides extended run time - Compatible with the Kobalt 40-volt max team of tools - Fuel gauge provides an easy check on available power level ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B083W6M5MS | | Batteries | 1 Lithium Ion batteries required. (included) | | Best Sellers Rank | #60,606 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #601 in Cordless Tool Battery Packs | | Customer Reviews | 4.5 4.5 out of 5 stars (1,352) | | Date First Available | January 14, 2020 | | Item Weight | 2.53 pounds | | Manufacturer | Kobalts | | Package Dimensions | 7.24 x 4.76 x 2.28 inches | ## Product Details - **Brand:** Kobalts - **Color:** Blue - **Item Weight:** 1.15 Kilograms - **Output Voltage:** 40 Volts - **Specification Met:** FCC, UL ## Images ![Kobalts 40-Volt 4-Amps 4.0ah Rechargeable Lithium Ion (Li-Ion) Cordless Power Equipment Battery - Image 1](https://m.media-amazon.com/images/I/617Tl8hGCfL.jpg) ## Questions & Answers **Q: Will this fit inside the Kobalt 12 inch snowblower shovel that has a 40 volt 2.5 ah battery or is this one larger?** A: Being in South Texas, I can't answer about snowblowers specifically but the 4amp replacement battery is interchangeable with all of my lawn equipment. I'm comfortable assuming you'll find it to work perfectly. **Q: Looking for Kobalt 40 v max 5.0 ah battery for my lawnmower. do you sell them?** A: Yes, but out of stock. Currently have the 4ah battery which is very similar. **Q: Will this work with a 3AH charger?** A: All Kobalt 40v chargers will charge any Kobalt 40v battery regardless of the amp hour rating of the battery. **Q: Will this battery fit the older standard charger? I have the charger that came with the 5ah battery.** A: I have three batteries 2ah,2.5ah and 4ah-they all fitin the same charger ## Frequently Bought Together - Kobalt 40-Volt 4-Amps 4.0ah Rechargeable Lithium Ion (Li-Ion) Cordless Power Equipment Battery - Kobalt 40-Volt Power Equipment Battery Rapid Quick Charger Gen3 - Kobalt Gen4 40-Volt 520-CFM 120-MPH Brushless Handheld Cordless Electric Leaf Blower (Tool Only) --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/646259144-kobalts-40-volt-4-amps-4-0ah-rechargeable-lithium-ion](https://www.desertcart.jp/products/646259144-kobalts-40-volt-4-amps-4-0ah-rechargeable-lithium-ion) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-06-22*