Battery Life Solar Battery Chargers do not require any maintenance. Do not attempt to open or repair the battery charger as it will invalidate the limited warranty. A damp cloth may be used to clean dust, dirt, or other debris off of the battery charger. Anything that would inhibit sunlight from reaching the solar cells should be removed.
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The NOCO Company 30339 Diamond Parkway #102 Glenwillow, OH 44139-5400 United States of America