NOCO BLSOLAR5 5.0W Solar Battery Charger and Maintainer Ultra low-profile 5W solar charger that's perfect for maintaing cars, motorycles, boats, ATVs and more Thin film technology that works well in low-light, cloudy and overcast conditions Power level LED is built into the connector that is on the end of the cable coming out of the panel and illuminates when solar panel is generating power Safely charges and maintains Wet, Gel, MF, EFB and AGM batteries Add more control with Flex Regulators for charging 6V and 12V batteries, plus battery recovery mode