The armed robbery allegedly occurred 10 days after the brothers allegedly approached a victim at a Bacchus Marsh ATM and demanded money.

One brother, David Coffey, 24, applied to be released on bail at the Ballarat Magistrates' Court on Wednesday while Kane Coffey remains on remand.

Police informant Senior Constable Scott Howard, of the Ballarat CIU, said on the evening of May 17, David Coffey and his brother approached a victim at a Main Street ATM.

He said Kane Coffey grabbed the victim and when the victim told him he was not going to give him any money, the brothers clenched their fists.

Police allege David Coffey told the victim, "Give me the money or I will lay you the f*** out".

"The victim felt if he didn't give the accused and Kane Coffey the money he would be belted and left in hospital," Senior Constable Howard said.

He said David Coffey followed the victim for a short time before returning to his brother.

The court was told on May 27 at 8pm, the brothers attended the Bacchus Marsh Foodworks supermarket and Kane Coffey allegedly put a $30 meat tray down his pants and left without paying.

Senior Constable Howard said shortly after at 8.20pm, David and Kane Coffey approached a member of the public at a bank ATM and threatened him if he did not hand over $20.

"The victim refused and a taser was produced," he said.

The court was told Kane Coffey took the $20 and walked away with his brother.

The following day, police attended a Bacchus Marsh address and Kane Coffey answered the door and was arrested along with David Coffey.

Police seized a taser, clothing and $70 cash, which was allegedly located in David Coffey's pocket.

Police opposed David Coffey's bail application because they considered him an unacceptable risk of committing further offences while on bail and endangering the public's safety and wellbeing.

"We are concerned of members of the public because this has happened to two random members in the street," Senior Constable Howard said.

He said David Coffey was unemployed and he was not living at his bail address.

Police have obtained CCTV footage from shops close to the alleged ATM incidents, while investigators are waiting on CCTV footage from the National Australia Bank and Commonwealth Bank.

Defence lawyer Matthew Neilson said the alleged offending was unsophisticated, unplanned and alcohol was a significant and contributing factor.

He said his client could end up spending more time on remand than any sentence ultimately imposed.

Mr Neilson said David Coffey had been assessed suitable for bail support, which would offer alcohol assessment and treatment.

However, magistrate Ron Saines said the bail support accommodation was extremely limited, with only one night funded.

He said there was no case to support a delay, no evidence of employment or community supervision, and no surety.

Bail was refused and Coffey was remanded in custody until a committal mention on September 9..