Replacement 2000 Honda TRX300X, EX 300CC Factory Activated, Maintenance Free, ATV Battery - 12V, 8Ah, UB-YTX9-BS Replacement Battery for 2000 Honda TRX300X, EX 300CC Factory Activated, Maintenance Free, Sealed Lead Acid Battery Ready to install. No need to add acid. Leak free, sealed design prevents corrosion. One Year Warranty, Voltage: 12V, Capacity: 8Ah UpStart Battery Brand. On Sale for a Limited Time!