Replacement 2004 Honda TRX400 Rancher AT 400 CC Factory Activated, Maintenance Free, ATV Battery - 12V, 12AH, UB-YTX14-BS Replacement Battery for 2004 Honda TRX400 Rancher AT 400 CC 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: 12AH UpStart Battery Brand. On Sale for a Limited Time!