Hi Tony, thanks for the suggestion. Yes, I’ve exactly same one in my mind from Repco (https://www.repco.com.au/en/globes-batteries-electrical/battery-chargers-power-accessories/car-battery-chargers/ctek-battery-charger-12v-5amp-mxs5-0/p/A9512219?kwSearch=Ctek), which is on sale now for $133.50. However, isn’t it better to go for 10 Amp one? Does it matter if it charges a bit faster? Last two days were fine, I just disabled smart entry when you come close to the car as it transmits singnals all the time to connect to correct remote key… For parasitic drain I’ll have Toyota to check it in few weeks time if I see anymore drains. Yes, I also got a jumpstart battery for $80 from Supercheap auto (https://www.supercheapauto.com.au/p/sca-sca-12v-1200-amp-6-cylinder-compact-jump-starter/546745.html); nice one and on sale. I’ll update here if anything happens. Highly appreciated your suggestions again. Thanks mate…