I use Costco Battery (Kirkland) brand. Basically made by the same company that makes Interstate Batteries.
Battery = $45.00
Cables...Humm sound very strange to me! My 1983 BMW 735 with 143K miles still has the Original Battery cables, believe it or not.
Re: Solar Charger is the BEST way to charge a battery...ie. trickle charge with very slow amperage.
My BMW used to lose charge if not driven for 2-3 weeks, then after a few cycles of discharges the battery was gone.
I have since used the Solar Charger (Radio Shack on sale for $19.95), the result is outstanding, even after 3 weeks of rest the car starts right up, even in the middle of the winter.
I posted this on the BMW board:
http://www.bimmerboard.com/forums/posts/41018
The difference is:
BMW cigarette socket is on all the time, allowing the solar charger to charge the battery as long as there is sunlight.
Volvo cigarette socket, I believe, is on ONLY when switched to radio (or ? run) position (check to be sure), anyway if you want to have a Solar Charger (which I strongly recommend...it will be the best $20.00 you ever spent in your life!); then you need to plug the Solar Charger into a live socket somewhere.
You might want to modify somewiring to connect the charger.
Your battery will never run low because of long-term of non-use.
Hope this helps.
cn
1998 V70
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