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Old 01-11-2013, 10:18 AM
Supercourse Supercourse is offline
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Location: British Columbia, Canada
Join Date: Feb 2008
Posts: 3,890
Mein Auto: 2004 X3 2.5i
Originally Posted by SJBerg View Post
Can I hook up a trickle charger to the jump start terminals to maintain current while replacing the old battery so I don't have to mess with the radio, sun roof, etc?
If it is one of the newer so-called intelligent chargers, like a CTEK, that delivers a pulse charge in the process, it might not be advisable without the battery acting as a buffer.

Some of the CTEK models have a Supply mode that delivers a steady voltage for this purpose, in which case it would be fine.

An older trickle charger should be O.K.
One with a cigarette lighter plug would be the most convenient as you could hook it up using the outlet in the cargo area.

But most people find that the radio retains all settings, and you just have to reset the time,
and the anti-trap settings.
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