This is out of Riverside County with no prior violent charges.
Criminal Defense Attorney
On a misdemeanor battery charge, you could be sentenced to up to 6 months in County Jail. While the Riverside County DA's office aggressively prosecutes these offenses, you should not do the maximum time if convicted, considering you have no prior violent offense convictions.
Consider all possible consequences of a conviction, including the affect of a particular conviction on your future employment prospects, and weigh that against the strength and nature of the evidence before seriously entertaining a guilty/no contest plea. You should do this review with an attorney experienced in handling these types of offenses at the Court in Riv County that your case is out of.