--- product_id: 707021838 title: "YTX9-BS Replaces Honda ATV TRX300EX TRX400EX 300EX 400EX CBR900R RR" brand: "mighty max battery" price: "$239.26" currency: USD in_stock: true reviews_count: 5 url: https://www.desertcart.us/products/707021838-ytx9-bs-replaces-honda-atv-trx300ex-trx400ex-300ex-400ex-cbr900r store_origin: US region: United States of America --- # 12V, 8AH power punch 135 CCA cold start boost Sealed & spill-proof durability YTX9-BS Replaces Honda ATV TRX300EX TRX400EX 300EX 400EX CBR900R RR **Brand:** mighty max battery **Price:** $239.26 **Availability:** ✅ In Stock ## Summary > ⚡ Power your ride, dominate the trail! ## Quick Answers - **What is this?** YTX9-BS Replaces Honda ATV TRX300EX TRX400EX 300EX 400EX CBR900R RR by mighty max battery - **How much does it cost?** $239.26 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/707021838-ytx9-bs-replaces-honda-atv-trx300ex-trx400ex-300ex-400ex-cbr900r) ## Best For - mighty max battery enthusiasts ## Why This Product - Trusted mighty max battery brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Confidence Included:** Backed by a 1-year warranty and 30-day refund policy for risk-free performance. - • **Power That Won't Quit:** 12V 8AH capacity delivers reliable energy for your ATV or motorcycle adventures. - • **Start Strong Every Time:** 135 Cold Cranking Amps ensure instant ignition even in freezing conditions. - • **Universal Fit, Zero Hassle:** Perfect replacement for Honda TRX300EX, TRX400EX, CBR900R RR, and more. - • **Built to Brave the Elements:** Sealed Lead Acid design resists shocks, vibrations, and extreme temperatures. ## Overview The Mighty Max YTX9-BS is a 12V, 8AH sealed lead acid battery delivering 135 cold cranking amps, engineered for universal fit on Honda ATVs and motorcycles. Its spill-proof, vibration-resistant design ensures long-lasting performance across extreme temperatures, backed by a 1-year warranty and hassle-free 30-day refund. ## Description This YTX9-BS is a sealed lead-acid (SLA) absorbed glass mat (AGM) rechargeable battery. AGM and GEL batteries are lead-acid and of the same battery chemistry. This battery comes already charged, sealed, maintenance free, and ready to install. Review: Comme décrit - Chargé lors de la réception ! Aucun problème, je recommande Review: Best Battery Ever - I’ve used a 100 of these types of batteries for four wheelers, Dirtbike’s, and lawn mowers. I have purchased probably 8 mighty max batteries over the years and have yet to replace one. They are a quarter of the price of a battery from Walmart and work 5x as good. Me and my friends only buy mighty max batteries now. ## Features - YTX9-BS is a 12V 8AH 135 Cold Cranking Amps (CCA) Sealed Lead Acid (SLA) Battery - Dimensions: 5.90 inches x 3.38 inches x 4.25 inches. Polarity: Positive on left, Negative on right. Listing is for the Battery and Screws only. No wire harness or mounting accessories included - SLA / AGM spill proof battery has a characteristic of high discharge rate, wide operating temperatures, long service life and deep discharge recover - Rechargeable battery that can be mounted in any position, resists shocks and vibration. Long lasting high performance in high and low temperatures - Full One Year Warranty ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00K53IZTU | | Automotive Fit Type | Universal Fit | | Battery Capacity | 8 Amp Hours | | Battery Type | Sealed Lead Acid | | Battery cell composition | Sealed Lead Acid | | Brand | Mighty Max Battery | | Brand Name | Mighty Max Battery | | Compatible with Vehicle Type | Scooter | | Customer Reviews | 4.5 out of 5 stars 678 Reviews | | Included Components | Battery | | Item Dimensions D x W x H | 15D x 8.6W x 10.8H centimeters | | Item Type Name | Battery | | Item Weight | 454 g | | Item weight | 454 g | | Manufacturer | Mighty Max Battery | | Manufacturer Part Number | YTX9-BS160 | | Model Number | YTX9-BS160 | | Number Of Cells | 6 | | Number of Items | 1 | | Size | Standard | | Terminal | Bolt Terminal | | UPC | 082045921953 810185373383 | | Vehicle service type | Scooter | | Voltage | 12 Volts | ## Product Details - **Battery cell composition:** Sealed Lead Acid - **Brand:** Mighty Max Battery - **Size:** Standard - **Vehicle service type:** ATV, Motorcycle, Personal Watercraft, Snowmobile - **Voltage:** 12 Volts ## Images ![YTX9-BS Replaces Honda ATV TRX300EX TRX400EX 300EX 400EX CBR900R RR - Image 1](https://m.media-amazon.com/images/I/71DKHNI2tWL.jpg) ## Questions & Answers **Q: Will this work for Kawasaki Brute Force 300 ?** A: Regrettably we do not have information for this particular model. However, we do suggest that you base your decision upon your previous batteries specifications. Please make sure the voltage, amp hour, terminal style and dimensions (Length, Width and Height) of your original battery are the same as the new battery before placing your order. **Q: Will this fit in a 2000 Arctic Cat 250 2X4?** A: I'm not sure measure yours and check the measurements of this one sorry I can't be of more help. **Q: Does it come charged and ready to go** A: yes fully charged. **Q: Will this work on a 110cc engine?** A: Works on a 650cc Honda ## Customer Reviews ### ⭐⭐⭐⭐⭐ Comme décrit *by P***R on 3 April 2024* Chargé lors de la réception ! Aucun problème, je recommande ### ⭐⭐⭐⭐⭐ Best Battery Ever *by J***D on 14 April 2026* I’ve used a 100 of these types of batteries for four wheelers, Dirtbike’s, and lawn mowers. I have purchased probably 8 mighty max batteries over the years and have yet to replace one. They are a quarter of the price of a battery from Walmart and work 5x as good. Me and my friends only buy mighty max batteries now. ### ⭐⭐⭐⭐⭐ Good value and it works well *by V***N on 25 October 2025* Fit my application and works fine --- ## 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.us/products/707021838-ytx9-bs-replaces-honda-atv-trx300ex-trx400ex-300ex-400ex-cbr900r](https://www.desertcart.us/products/707021838-ytx9-bs-replaces-honda-atv-trx300ex-trx400ex-300ex-400ex-cbr900r) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-10-08*