Idaho Code
Idaho Code

Idaho Code § 18-903 (2026)

Battery defined. 

✓ current as of May 2026
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Battery defined. 

A battery is any:

(a)  Willful and unlawful use of force or violence upon the person of another; or
(b)  Actual, intentional and unlawful touching or striking of another person against the will of the other; or
(c)  Unlawfully and intentionally causing bodily harm to an individual.
Notes of Decisions
Cited in 472 cases (60 in the last 5 years), 1982–2026 · leading case: State v. Reyes, 80 P.3d 1103 (Idaho Ct. App. 2003).
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State v. Reyes, 80 P.3d 1103 (Idaho Ct. App. 2003). · cites it 8× “§ 18-903 as willful and unlawful use of force or violence upon the person of another; actual, intentional and unlawful touching or striking of another person against the will of the other; or unlawfully and intentionally causing bodily harm to an individual.”
State v. Schulz, 264 P.3d 970 (Idaho 2011). · cites it 8× “This is an appeal from the dismissal of an information against John Schulz, who was charged with felony domestic battery under I.C. § 18-903 and -918(2) and attempted strangulation under I.”
State v. Diaz, 507 P.3d 1109 (Idaho 2022). · cites it 16× “I.C. § 18-903. Subsection (a) requires the State to prove a person acted willfully.”
Melene James v. City of Boise, 376 P.3d 33 (Idaho 2016). · cites it 8× “6 6 Idaho Code section 18-901 defines the crime of assault as: (a) An unlawful attempt, coupled with apparent ability, to commit a violent injury on the person of another; or (b) An intentional, unlawful threat by word or act to do violence to the person of another, coupled with…”
State v. Thomas John Kralovec, 388 P.3d 583 (Idaho 2017). · cites it 4× “” I.C. § 18-903(a). Idaho Code section 18-101(1) provides: “The word ‘willfully,’ when applied to the intent with which an act is done or omitted, implies simply a purpose or willingness to commit the act or make the omission referred to.”
Thomas D. Moffat, 300 P.3d 61 (Idaho Ct. App. 2013). · cites it 16× “” In reaching this conclusion, the district court reasoned: In order to be guilty of domestic battery, the defendant must commit a battery as defined in Idaho Code § 18-903 , upon a household member.”
State v. Larsen, 24 P.3d 702 (Idaho 2001). · cites it 12× “The statute defining the crime of simple battery, I.C. § 18-903, provides: A battery is any: (a) Willful and unlawful use of force or violence upon the person of another; or (b) Actual, intentional and unlawful touching or striking of another person against the will of the…”
State v. Marek, 736 P.2d 1314 (Idaho 1987). · cites it 12× “§ 18-1501(1), are identical offenses under the facts of this case, and since Aggravated Battery is an enumerated offense under the Major Crimes Act, so also must be Felony Injury to Children. I.C. § 18-1501(1) defines the offense of Felony Injury to Children as: (1) Any person…”
State v. Julian, 922 P.2d 1059 (Idaho 1996). · cites it 6× “Although the arrest citation was issued for misdemeanor domestic battery, the State *1061 charged Julian with aggravated battery, Sections 18-903 and 18-907(a) of the Idaho Code, and possession of a controlled substance under Section 37-2732(c) of the Idaho Code.”
State v. Bowman, 866 P.2d 193 (Idaho Ct. App. 1993). · cites it 4× “§ 18-705; and battery upon a peace officer, I.C. §§ 18-903, -915. Following the guilty verdicts, the magistrate granted Bowman’s motion for judgment of acquittal as to the trespass charge, but denied the motion as to the other charges.”
State v. Billings, 54 P.3d 470 (Idaho Ct. App. 2002). · cites it 8× “Billings was charged with aggravated assault, Idaho Code §§ 18-901 , -905, based on the first shot, and with aggravated battery on Merchant, I.C. §§ 18-903, -907, for the second shot.”
State v. Brazil, 33 P.3d 218 (Idaho Ct. App. 2001). · cites it 5× “§§ 18-4501, 18-4503; two counts of aggravated battery, I.C. §§ 18-903,18-907(a) and/or (b); and use of a deadly weapon in the commission of a crime.”
Show all 472 citing cases →
— Idaho Code § 18-903(1) — 1 case
State v. Joshua Jason Mettie (Idaho Ct. App. 2014).
— Idaho Code § 18-903(11) — 1 case
State v. Christopher James Harvey (Idaho Ct. App. 2018).
— Idaho Code § 18-903(A) — 1 case
State v. Andrew C. McKnight Owen (Idaho Ct. App. 2013).
— Idaho Code § 18-903(B) — 1 case
State v. Tyrell C. Erlebach & Bruce Erlebach (Idaho Ct. App. 2017).
— Idaho Code § 18-903(a) — 81 cases
State v. Thomas John Kralovec, 388 P.3d 583 (Idaho 2017). “” I.C. § 18-903(a). Idaho Code section 18-101(1) provides: “The word ‘willfully,’ when applied to the intent with which an act is done or omitted, implies simply a purpose or willingness to commit the act or make the omission referred to.”
State v. Diaz, 507 P.3d 1109 (Idaho 2022). “I.C. § 18-903. Subsection (a) requires the State to prove a person acted willfully.”
State v. Radue, 564 P.3d 1230 (Idaho 2025).
State v. Pole, 79 P.3d 729 (Idaho Ct. App. 2003).
State v. Carlson, 3 P.3d 67 (Idaho Ct. App. 2000).
— Idaho Code § 18-903(a)(b) — 1 case
State v. Stone, 216 P.3d 648 (Idaho Ct. App. 2009).
— Idaho Code § 18-903(b) — 41 cases
Melene James v. City of Boise, 376 P.3d 33 (Idaho 2016). “6 6 Idaho Code section 18-901 defines the crime of assault as: (a) An unlawful attempt, coupled with apparent ability, to commit a violent injury on the person of another; or (b) An intentional, unlawful threat by word or act to do violence to the person of another, coupled with…”
State v. Clark, 772 P.2d 263 (Idaho Ct. App. 1989).
State v. Gill, 244 P.3d 1269 (Idaho Ct. App. 2010).
State v. Mayer, 84 P.3d 579 (Idaho Ct. App. 2004).
State v. Robran, 805 P.2d 491 (Idaho Ct. App. 1991).
— Idaho Code § 18-903(c) — 15 cases
State v. Marek, 736 P.2d 1314 (Idaho 1987). “§ 18-1501(1), are identical offenses under the facts of this case, and since Aggravated Battery is an enumerated offense under the Major Crimes Act, so also must be Felony Injury to Children. I.C. § 18-1501(1) defines the offense of Felony Injury to Children as: (1) Any person…”
State v. Atkinson, 864 P.2d 654 (Idaho Ct. App. 1993).
State v. Mitchell, 195 P.3d 737 (Idaho Ct. App. 2008).
State v. Trejo, 979 P.2d 1230 (Idaho Ct. App. 1999).
State v. McDougall, 749 P.2d 1025 (Idaho Ct. App. 1988).
— Idaho Code § 18-903(e) — 1 case
State v. Larsen, 24 P.3d 702 (Idaho 2001). “The statute defining the crime of simple battery, I.C. § 18-903, provides: A battery is any: (a) Willful and unlawful use of force or violence upon the person of another; or (b) Actual, intentional and unlawful touching or striking of another person against the will of the…”
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