One problem related to battery has been reported for the 1999 Mitsubishi Eclipse. The most recently reported issues are listed below.
Driving on freeway when battery light came on. Shortly after highlights would not turn off. Then vehicles lights in dash turn on and off, wipers turn on and off, and vehicle completely loses power at 75 mph. Battery appeared to have exploded. Battery acid over entire engine compartment. Will not start after new battery is tried.