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Battery removal or just disconnect neg. terminal

up vote 14 down vote favorite

I will be away from winter through early spring, approximately 4 months. My 2014 Sierra truck will be in my garage. Should I remove the battery completely or just disconnect and tape up the negative terminal. We live in Belleville, Ontario area.

2 Answers

up vote 4 down vote accept

I would put the battery, with it still connected to the vehicle, on a trickle charger.

This is because you will lose all the computer stored settings, and that may be a problem.

I did this, but for a shorter period of time, with a small (up to 10amps) charger on a time switch. I kept it down to 2 hours a day and it worked fine.

up vote 3 down vote

Are you trying to keep your battery from discharging? Are you worried about a parasitic drain? Or are you worried about temperature?

A better choice for long-term storage might be a battery tender. That will keep the battery up to the right level without overcharging.


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Battery removal or just disconnect neg. terminal

up vote 14 down vote

I will be away from winter through early spring, approximately 4 months. My 2014 Sierra truck will be in my garage. Should I remove the battery completely or just disconnect and tape up the negative terminal. We live in Belleville, Ontario area.


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up vote 9 down vote

I would put the battery, with it still connected to the vehicle, on a trickle charger.

This is because you will lose all the computer stored settings, and that may be a problem.

I did this, but for a shorter period of time, with a small (up to 10amps) charger on a time switch. I kept it down to 2 hours a day and it worked fine.

edit

@rpmerf I did say “up to” as the charger is intelligent and decreases its output as the battery is charged.... - Solar Mike Dec 14 '17 at 16:57

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