Battery being drained of power, need to find out why, might need new battery

Craig requested 2 quotes from Mechanics in Northmead

Need to find out why my battery is being drained of power and i will most probably need a new battery also on the day depending on the price.

Boilermaker
Fabricate and install an excavator (Kobelco 135) safety protection screen.

Replace heater core and regas aircon
Replace heater core and regas aircon.

Car service and right front wheel bearing replacement " HOlden Vectra 2005"
Holden Vectra 2005 needs 50 000km service and right front wheel bearing needs...