12V 280CCA Sealed AGM Battery with Flag Terminals – Maintenance-Free U1 Replacement

🔋 Reliable 12V 280CCA Power for Your Lawn Mower & Garden Tractor 🌱

Keep your outdoor equipment running strong with this 12V 280CCA sealed AGM battery, featuring a robust 280 cold cranking amps (CCA) rating and a peak of 400 CCA for reliable starts even in chilly weather. Designed for U1 applications, it replaces all standard U1-size lawn mower and garden tractor batteries, including Craftsman 917.254940. The non-spillable, maintenance-free construction and safety valve ensure worry-free operation season after season. 🚜💪

🌟 Built for Durability & Safe Operation 🛡️

Its rugged ABS case, sealed AGM (Absorbent Glass Mat) design, and built-in explosion-proof valve make this battery both durable and safe. Enjoy leak-proof performance, no need to add water, and worry-free storage—even if the battery tips over. The flag (nut & bolt) terminals provide secure connections and quick swaps, while clearly labeled positive (+) and negative (–) posts prevent installation errors. 🔧✅

📐 Specifications & Dimensions

🔧 Installation & Compatibility

This battery is designed as a direct U1 replacement for most riding lawn mowers and garden tractors. Before installing, double-check that your original battery is U1 size and that the flag terminal orientation matches (positive on left or right). Remove the old battery, clean the cable ends, and secure the new battery’s terminals with the included nuts and bolts. Tighten firmly—avoid over-torquing—and apply a light coating of dielectric grease for corrosion protection. 🧰🔩

• Step 1: Turn off engine & ignition key.
• Step 2: Disconnect negative (–) terminal, then positive (+).
• Step 3: Remove old battery & clean tray.
• Step 4: Place new battery; connect positive (+), then negative (–).
• Step 5: Tighten flag terminals securely, apply grease, recharge if needed.

💬 Frequently Asked Questions

Is this battery truly maintenance-free?

Yes! The sealed AGM design means no watering is required ever. The internal glass mat holds the electrolyte in place, preventing spills and keeping the plates fully submerged. 🚫💧

Can I use this battery in cold climates?

Absolutely. With 280 CCA at –18°C (0°F) and a peak of 400 CCA, it delivers reliable starts even in frost. For extreme cold, keep the battery warm indoors prior to use. ❄️🔋

How long will this battery last?

Under normal usage and proper charging, an AGM battery lasts 3–5 years. Avoid deep discharges, store fully charged, and use a compatible charger with an AGM setting for maximum lifespan. ⏳🌱

What charger should I use?

Use a 12V charger with an AGM or sealed-lead-acid setting. Smart chargers that adjust voltage and current are ideal to prevent overcharging. ⚡🔌

Can I recycle this battery?

Yes—AGM batteries are fully recyclable. Take old batteries to automotive stores or recycling centers. Many retailers offer core credit when you return your old battery. ♻️🔄

🌟 Why Choose a Sealed AGM Battery?

• Non-Spillable & Safe: The sealed design prevents leaks and includes a safety valve to release excess pressure—ideal for tight compartments. 🛡️
• Vibration Resistance: AGM batteries withstand vibration better than flooded cells, making them perfect for rough mower and tractor use. 🏞️
• Fast Recharge: AGM chemistry supports higher recharge rates, so you spend less downtime waiting for power. ⏱️
• Low Self-Discharge: Retains charge longer in storage—great for seasonal equipment. 🌾

📦 What’s Included?

• 1 × 12V 280CCA Sealed AGM Battery (Flag Terminal)
• 2 × Flag Terminal Bolts & Nuts
• Quick Reference Installation Guide

🏁 Get Back to Yard Work Faster

Don’t let a weak battery stall your outdoor projects. Upgrade to this 12V 280CCA sealed AGM battery today for a maintenance-free, reliable power solution that keeps your mower or tractor running strong. Order now and enjoy hassle-free starts and long-lasting performance! 🌟🚜