Which Battery Lead To Remove First. To be perfect remove the grounded terminal first usually it is the negative one unless you are working on a rare forklift or something. Thats fairly obvious eh.

Remove the negative terminal from the battery. By removing the negative battery cable you are disconnecting the battery from the chassis of your vehicle. Then after unhooking the negative terminal and setting it aside disconnect the positive terminal.
Negative is first to remove and last to install.
A car battery will self-discharge at about 5-15 per month depending on the health and environmental conditions. To be perfect remove the grounded terminal first usually it is the negative one unless you are working on a rare forklift or something. You dont need to buy our more expensive 19999 Digital 1200 Charger Maintainer if you are storing your car battery and. And car batteries are very good at shorts.
