To keep the battery in my 2001 Pontiac Grand Prix charged during extended trips, I bought a Sunforce 50012 1.8w solar powered battery maintainer. To read the review and the test results, click on the link or thumbnail image below.
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To keep the battery in my 2001 Pontiac Grand Prix charged during extended trips, I bought a Sunforce 50012 1.8w solar powered battery maintainer. To read the review and the test results, click on the link or thumbnail image below.