Often the repair needed is not the most expensive part of the process at all. The actual repair may be just the replacement of a length of pipe or the removal of overgrown tree roots. It is the access that is the costly part of the equation.
How to charge a battery. An average car battery has a capacity of around 48 amp hours which means that, fully charged, it delivers 1 amp for 48 hours, 2 amps for 24 hours, 8 amps for 6 hours and so on.lways check the. level before connecting the battery to the charger. Top up if necessary (See Checking the batteries) and clean the battery posts. If there is a power point handy, the battery can be left in the car, so long as the charge rate is only 3 or 4 amps.
Four Methods:Preparing to Charge the BatteryUsing a Speed or Trickle ChargerJump Starting Your BatteryTroubleshooting Battery IssuesCommunity Q&A. Car batteries stay charged by harnessing the extra power of the car's engine, and most can go for at least five years without needing to be replaced or recharged. But even the best car batteries will run out of power eventually â or lose their charge prematurely when you leave your lights on too long.