KEWEISI KWS-V20 USB Volt Current Voltage Doctor Charger Capacity Tester Meter Power Bank

F88 GPS Car Charger Vehicle GPS Tracker Support APP

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Cargador del cargador de batería del vehículo de 12V / 6V la mejor carga

Provides extra backup power to all devices that supports USB charging. E.g. iPhone, Android, tablets, MP3 players, GPS units, etc This unit takes 1-4 replaceable UNPROTECTED 18650 li-ion batteries to power and recharge your USB devices Powerbank can be recharged via micro USB port Charging management protection Processing monitoring protection Reverse battery protection

MPPT technology, `Peak conversion efficiency of 97%, High Tracking efficiency of 99%, `RJ45 interface &optional meter, 2 years warranty , CE certificate

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