The Raiders (9-9, 4-2 Horizon League) shot 60.9 percent (14 of 23) and outscored the Crusaders 42-22 in the second half.
Valparaiso (10-7, 3-2), which led 33-31 at halftime, took a 35-33 advantage on Ryan Broekhoff’s free throws 1:32 into the second half.
The Raiders then went on a 12-2 run to go up 43-37 on Battle’s tip-in with 13:53 to play.
Wright State never trailed the rest of the way and stretched its lead to as many as 18 three times. It was the fifth win in six games for Wright State, which lost 63-62 to Butler Friday.
Broekhoff led the Crusaders with 18 points and 14 rebounds. Kevin Van Wijk added 13 points as Valparaiso lost its third straight.