PLENTY OF ANSWERS, SOLUTIONS AND IMPROVEMENTS[MODS] on these threads.
I replaced the fan and the power supply. NO more stoppages during discharge[not enough amps w/ cheap SMPS that came with Opus] and NO resets during transition from discharge to charge.
I also replaced the SMPS[Power supply] to a LITEON 12V/5.5A 66W PA-1660-2SA1