Anyone have any experience with this product or something similar?
Keep your car battery charged wherever it is with the Battery Tender 10-Watt Solar Charger. A 10-watt solar panel provides power to your 12 volt car battery when another power source isn't available. A built-in three-step automatic microprocessor controller keeps the battery from overcharging. The Battery Tender 10-Watt Solar Charger is completely portable!
The Battery Tender 10-Watt Solar Charger has all high quality features you expect from Battery Tender battery chargers. It is sparkproof and has a temperature compensation sensor. Battery Tender backs up the Battery Tender 10-Watt Solar Charger with a 5 year warranty.
The Battery Tender 10-Watt Solar Charger is convenient for people who store their vehicle where there is no power source, like a carport or shelter. As long as you have sunlight, your vehicle's battery will stay charged! The lightweight Battery Tender 10-Watt Solar Charger can easily be carried with you on extended trips to keep your car battery charged anywhere.
The Battery Tender 10-Watt Solar Charger works with all lead acid, sealed maintenance free and gel cell batteries. Use it on 12 volt batteries on cars, RVs, trucks, tractors, and recreational vehicles.
Battery Tender solar panels are the only panels available with a built-in charge controller to prevent overcharging! No other battery trickle charger works like a Battery Tender battery charger.
26" x 16" x 0.875"
12 V Nominal Voltage 540 mAmps
Temperature Compensation Sensor
5 Year Warranty
Battery Tender 10-Watt Solar Charger, solar power battery charger, car battery charger
I guess this is for those who let their truck sit for long times or take it camping. Would this be a good item to add to the SHTF list?