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Can I use a 18 volt, 5 watt solar battery charge maintainer to keep my truck battery from losing its charge during the winter email@example.comSpecification:* Solar Panel: Mono-crystalline silicon 18V5W * No-load voltage: 18-23VDC * Load voltage: 18V * Output current: 250-280mAh(0.2A-0.28A)
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