12V 8Ah YTX9-BS Replacement for Honda 400EX Battery - Compatible with Honda TRX 400EX Parts, TRX 300EX TRX300EX TRX400EX CBR900R Fourtrax Sportrax - 12 Volt Batteries, YTX9 AGM SLA

Designed for ATV and powersport riders seeking reliable ignition, easy installation, and long-term value, this pre-charged AGM battery delivers dependable cold starts, seamless compatibility, and minimal maintenance. Whether you ride year-round or seasonally, it’s built to meet the needs of casual adventurers and weekend trailblazers alike.Engineered with absorbed glass mat (AGM) technology, this battery arrives fully charged and ready to install. No acid-filling or prep required—just connect and ride. The maintenance-free, sealed design resists spills and vibration, making it ideal for rugged off-road conditions and reducing the risk of leakage during transport or operation.Optimized for a wide range of applications, the compact case fits snugly in popular ATV models including the Honda TRX 400EX, 300EX, 250X, XR650L, and VT600. With versatile terminal placements and standard dimensions, it easily replaces OEM batteries while simplifying hookup in tight compartments.Cold-weather riders will appreciate its reliable performance in a variety of conditions, including near-freezing temperatures. With proper care, it continues to deliver dependable starts even after periods of inactivity. Designed to support seasonal use, it’s a solid performer for most climates.Ideal for value-driven riders who want performance without breaking the bank, this AGM battery holds strong through typical riding seasons when stored and maintained properly. While not built for heavy-duty commercial use, it’s a trusted go-to for ATVs, UTVs, motorcycles, and small generators needing compact, clean, and easy-to-use power.Note: This is an UpStart Battery brand replacement, not an OEM product.

• 𝐑𝐄𝐋𝐈𝐀𝐁𝐋𝐄 𝐀𝐓𝐕 𝐒𝐓𝐀𝐑𝐓𝐔𝐏 𝐏𝐎𝐖𝐄𝐑 – Engineered to deliver dependable ignition for ATVs, quads, and motorcycles—even after months of non-use. Starts strong on cold mornings, revives long-idle engines, and keeps 400EX models firing up with ease.
• 𝐅𝐈𝐓𝐒 𝐏𝐎𝐏𝐔𝐋𝐀𝐑 𝐇𝐎𝐍𝐃𝐀 𝐀𝐓𝐕 𝐌𝐎𝐃𝐄𝐋𝐒 – Designed to fit a wide range of machines with minimal effort. Compatible with Honda 400EX battery, Honda TRX 300EX parts, TRX 250X, XR650L, VT600, and more. Compact form factor makes installation fast and secure.
• 𝐏𝐑𝐄-𝐂𝐇𝐀𝐑𝐆𝐄𝐃 𝐀𝐆𝐌 𝐁𝐀𝐓𝐓𝐄𝐑𝐘 𝐃𝐄𝐒𝐈𝐆𝐍 – Arrives ready to install with absorbed glass mat (AGM) technology that resists leaks and boosts durability. No need to add acid—just drop it in and ride. Perfect for riders who want instant startup without the mess.
• 𝐁𝐔𝐈𝐋𝐓 𝐅𝐎𝐑 𝐒𝐄𝐀𝐒𝐎𝐍𝐀𝐋 𝐀𝐃𝐕𝐄𝐍𝐓𝐔𝐑𝐄𝐒 – Delivers strong, consistent performance throughout the riding season. To extend battery life, simply keep it on a maintenance charger during long periods of storage or in colder climates. Designed to handle the demands of most riders with proper care.
• 𝐌𝐀𝐈𝐍𝐓𝐄𝐍𝐀𝐍𝐂𝐄-𝐅𝐑𝐄𝐄 & 𝐒𝐄𝐀𝐋𝐄𝐃 𝐅𝐎𝐑 𝐒𝐀𝐅𝐄𝐓𝐘 – Built with a fully sealed, spill-proof casing that resists vibration and eliminates the need for regular upkeep. No electrolyte handling or water top-offs required—just install and ride. Designed for durability and ease, even in rough off-road conditions.