--- product_id: 18004588 title: "YT9B-4-BS Battery Compatible with Yamaha 400 YP400 Majesty 2004-2012 Sealed Maintenance Free 12V Battery High Performance SMF OEM Replacement Powersport Motorcycle ATV Snowmobile Watercraft" brand: "kmg" price: "3046961₫" currency: VND in_stock: true reviews_count: 11 category: "Kmg" url: https://www.desertcart.vn/products/18004588-yt9b-4-bs-battery-compatible-with-yamaha-400-yp400-majesty store_origin: VN region: Vietnam --- # 170 CCA Instant Start 12V High Performance Power Sealed Maintenance-Free Durability YT9B-4-BS Battery Compatible with Yamaha 400 YP400 Majesty 2004-2012 Sealed Maintenance Free 12V Battery High Performance SMF OEM Replacement Powersport Motorcycle ATV Snowmobile Watercraft **Brand:** kmg **Price:** 3046961₫ **Availability:** ✅ In Stock ## Summary > ⚡ Power your ride, own the road—no compromises. ## Quick Answers - **What is this?** YT9B-4-BS Battery Compatible with Yamaha 400 YP400 Majesty 2004-2012 Sealed Maintenance Free 12V Battery High Performance SMF OEM Replacement Powersport Motorcycle ATV Snowmobile Watercraft by kmg - **How much does it cost?** 3046961₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/18004588-yt9b-4-bs-battery-compatible-with-yamaha-400-yp400-majesty) ## Best For - kmg enthusiasts ## Why This Product - Trusted kmg brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Unstoppable Power Boost:** 170 Cold Cranking Amps deliver lightning-fast starts every time, even in the coldest mornings. - • **Built to Endure the Ride:** Shock and vibration resistant for rugged durability on motorcycles, ATVs, and watercraft. - • **Ready Right Out of the Box:** Factory activated and pre-charged for instant installation and reliable performance. - • **Zero Maintenance, Maximum Freedom:** Sealed Maintenance-Free design means no refills, no mess—just pure ride-ready energy. - • **Compact Fit, Universal Compatibility:** Perfectly sized (150x70x105mm) for Yamaha Majesty 400 (2004-2012) and other powersport vehicles. ## Overview The KMG YT9B-4-BS is a 12V, 8Ah sealed maintenance-free AGM battery engineered for high performance and durability. With 170 CCA, it ensures reliable starts for Yamaha Majesty 400 (2004-2012) and a variety of powersport vehicles. Its shock-resistant, spill-proof design and factory pre-charge make it a hassle-free, long-lasting OEM replacement. ## Description The KMG Battery is maintenance-free, resists shock and vibration, and never needs re-filling. Advanced lead-calcium technology offers exceptional starting power. Ideal for motorcycles, scooters, ATVs, snowmobiles, ride-on mowers and personal watercraft.Features: High Performance Battery 100% Maintenance Free Holds Voltage longer and need less charging in standby or storage mode Shock and Vibration Resistant Spill-Proof Design Factory Activated Pre-Charged BatterySpecifications: Battery Type Number: YT9B-4-BS SMF (Sealed Maintenance Free) Battery Family: AGM Maintenance Free Voltage: 12 Volts Capacity: 8 Ah C.C.A.: 170 Polarity: [ + ]--------[ - ] Dimensions: 150mm x 70mm x 105mm Condition: 100% Brand NewPackage Includes: 1x Battery (YT9B-4-BS) Instructions not includedFitment Note: May require spacers on some applications for proper fitment. Review: Good battery for the money. - Used in a 2006 Yamaha majesty 400 CD. Fit was good. Came charged but used a 2 am charger to make sure. Started right up Review: Four Stars - Works fine so far. Price was right. ## Features - Battery Family: High Performance, Sealed Maintenance Free (SMF) - Voltage: 12 Volts - Polarity: [ + ]--------[ - ] - Brand: KMG | Battery Type Number: YT9B-4-BS - Dimensions: 150mm x 70mm x 105mm ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00N34HGD4 | | Battery Type | Lead Calcium | | Brand Name | KMG | | Compatible with Vehicle Type | ATV | | Customer Reviews | 3.9 3.9 out of 5 stars (32) | | Included Components | 1x Battery | | Item Dimensions D x W x H | 2.76"D x 5.91"W x 4.13"H | | Manufacturer | KapscoMoto | | Manufacturer Part Number | YT9B-4-BS-1U-V07 | | Manufacturer Warranty Description | 30 Day Warranty | | UPC | 698056407784 | | Unit Count | 1.0 Count | | Voltage | 12 Volts | ## Product Details - **Automotive Fit Type:** Universal Fit - **Battery Cell Composition:** Lead Calcium - **Brand:** KMG - **Manufacturer:** KapscoMoto - **Product Dimensions:** 2.76"D x 5.91"W x 4.13"H - **UPC:** 698056407784 - **Vehicle Service Type:** ATV - **Voltage:** 12 Volts ## Images ![YT9B-4-BS Battery Compatible with Yamaha 400 YP400 Majesty 2004-2012 Sealed Maintenance Free 12V Battery High Performance SMF OEM Replacement Powersport Motorcycle ATV Snowmobile Watercraft - Image 1](https://m.media-amazon.com/images/I/51zJv2dwMTL.jpg) ![YT9B-4-BS Battery Compatible with Yamaha 400 YP400 Majesty 2004-2012 Sealed Maintenance Free 12V Battery High Performance SMF OEM Replacement Powersport Motorcycle ATV Snowmobile Watercraft - Image 2](https://m.media-amazon.com/images/I/51GKzMJ3m7L.jpg) ![YT9B-4-BS Battery Compatible with Yamaha 400 YP400 Majesty 2004-2012 Sealed Maintenance Free 12V Battery High Performance SMF OEM Replacement Powersport Motorcycle ATV Snowmobile Watercraft - Image 3](https://m.media-amazon.com/images/I/51LXv3Kq38L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good battery for the money. *by S***I on September 12, 2017* Used in a 2006 Yamaha majesty 400 CD. Fit was good. Came charged but used a 2 am charger to make sure. Started right up ### ⭐⭐⭐⭐ Four Stars *by J***N on January 15, 2017* Works fine so far. Price was right. ### ⭐⭐⭐ Bad packaging *by J***N on August 21, 2021* The screws and attachments were very small --- ## 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.vn/products/18004588-yt9b-4-bs-battery-compatible-with-yamaha-400-yp400-majesty](https://www.desertcart.vn/products/18004588-yt9b-4-bs-battery-compatible-with-yamaha-400-yp400-majesty) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-20*