... small orders We are CARSTECH, a professional manufacturer in auto accessories.We are the division company of SINOCHEM GROUP, ... a compact design and reliable PCB, they are adequate for all circumstances.PRODUCT DESCRIPTIONOther features:LED Display, Over charge ... protection , Short circuit protection, Digital diagnostics Smart auto battery charger for Car 12V 3 TIMES FASTER SPEED (LOCAL WEARHOUSE& ...