ExpertPower YTX9-BS 12V 9Ah AGM Motorcycle & ATV Battery — 180 CCA, Nut & Bolt Terminals

The ExpertPower YTX9-BS (ETX9-BS) is a sealed 12V 9Ah AGM powersports battery delivering 180 CCA in a compact, maintenance-free package for motorcycles, ATVs, UTVs, and scooters.

This battery is engineered for riders and powersports owners who need dependable starting power in a small footprint. With a low self-discharge sealed design and nut & bolt terminals, it’s built to replace a wide range of YTX9-BS/ETX9-BS style batteries while tolerating extreme temperatures and high-rate discharges. It’s a plug-and-play option when dimensions and terminal types match your vehicle’s requirements.

Will this battery fit my motorcycle, ATV, or UTV?

Fit depends on physical dimensions, terminal orientation, and connector type. The ExpertPower YTX9-BS measures 5.91" L x 3.43" W x 4.21" H and uses nut & bolt (N&B) terminals; confirm these match your battery compartment and wiring for a straightforward swap.

• Exact dimensions: 5.91" L, 3.43" W, 4.21" H
• Terminals: nut & bolt style for secure connections
• Common applications: motorcycles, scooters, ATVs, 4-wheelers, UTVs
• Replaceable models: fits YTX9-BS/ETX9-BS style batteries

How reliable is its starting power and performance?

Designed for high-rate discharge, the battery supplies a robust 180 cold cranking amps (CCA) from a 9Ah capacity, giving consistent starts under typical powersports loads. Its low internal resistance improves cranking performance, especially after periods of inactivity.

• Rating: 180 CCA for strong cold starts
• Capacity: 12V, 9Ah suitable for starter motors and accessories
• Construction: AGM sealed design minimizes risk of leakage
• Electrical: low self-discharge keeps charge during storage

Can I use it in harsh weather or store it long-term?

The battery is built to operate across a wide temperature range from -30°C to 55°C, making it suitable for cold starts and hot environments. The sealed AGM chemistry and low self-discharge help protect the battery during winter storage or seasonal use, although periodic charging is recommended for long-term storage.

• Operating range: -30°C to 55°C
• Sealed AGM: maintenance-free and leak-resistant
• Storage note: occasional charging preserves capacity over months
• Use case: winter storage, off-season vehicles

What should I check before installation?

Before installing, verify that the battery’s size, terminal type, and polarity match your vehicle’s battery tray and wiring. Also confirm the voltage and capacity meet manufacturer recommendations, and ensure a snug, ventilated mounting to avoid vibration damage.

• Measure battery tray space against 5.91" x 3.43" x 4.21"
• Confirm nut & bolt terminal orientation and cable compatibility
• Check vehicle manual for required 12V/9Ah replacement specs
• Secure mounting and avoid excessive vibration exposure

Who is this for: The ExpertPower YTX9-BS / ETX9-BS is ideal for riders, powersports enthusiasts, and fleet operators who need a compact, maintenance-free replacement battery with dependable starting performance. It suits owners of motorcycles, scooters, ATVs, UTVs and other small-engine vehicles that accept a 12V 9Ah sealed lead-acid AGM battery with nut & bolt terminals and the specified dimensions. If you want a direct-fit, sealed solution designed to tolerate temperature extremes and long storage intervals while providing strong cranking amps, this model is a practical choice.