Solar Battery Charger, 12 Volt 7.8Watt Solar Trickle Charger, Waterproof Portable Power Solar Panel Battery Charger Maintainer for Car Automotive Boat Marine Motorcycle RV Trailer

Features: The Monocrystalline Silicon material can be waterproof and dustproof.Environmental protection and energy saving, built-in blocking diode to prevent reverse discharge, not only maintains the battery lifetime but also extends its usage life, keep the battery from drain dead. The most advanced (Maximum Power Point Tracking) chip intelligently manages to charge and fully protect the battery.  Prevent the battery from overcharge, over-voltage, discharge, and short circuit, reversed polarity protection, waterproof and spark-proof, the battery is fully protected. Specification: Item Type: Solar Panel Charger Product Material: Monocrystalline Silicon Color: As Pictures Shown Weight: Approx. 367g/12.9oz Power: 7.8W Maximum Working Voltage: 12V (Rechargeable 12V Battery) Current: 0-650mA Package List:1 x Solar Panel1 x Clip Wire1 x Car Charger 1 x USB Head CableNote:1. The strength of the LED indicator depends on different conditions. Don't worry if it flickers weakly, it is not a quality issue.2. Suitable for 12V battery, working temperature 0?60?, backflow protection.