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Trickle charge your car battery using free solar power. This brand new folding solar panel not only prevents your car, boat or caravan battery from going flat during long periods of inactivity, it can also extend its life by up to 20%. The charger's 4W output is far more powerful than previous models, it can be used indoors or out in all weather conditions and it folds up compactly after use. Simply place it on your dashboard and plug into your vehicle's cigarette lighter socket. All available natural light will be converted into solar energy to provide a constant trickle charge.
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