USB Solar Panel Power Bank Outdoor Camping Hiking Phone Charger WHY DO WE NEED A SOLAR TRICKLE CHARGER? Automotive batteries naturally discharge when it's not in use, and those more than 30 electrical modules as computer, alarm system, immobilizer and lock monitoring, all consume electricity from the battery. These issues make it hard to boot. Solar trickle charger solve the startup problem by keeping the battery active. [ Prolong the battery longevity ] .
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