This is a replacement battery for YTX14L-BS, UTX14L, PTX14L-BS, GTX14L-BS, WPH14L-BS and ETX14L. The SigmasTek STX14L-BS motorcycle battery is AGM Maintenance Free, fully charged and ready to install. The motorcycle battery offers optimal cranking amps, superior performance and is designed for motorcycle and power sports units, where high power output is required over short periods of time. The STX14L-BS motorcycle battery comes with 6 months warranty.