Sell OOISAY 4.8A USB Car Charger & Battery Checker best price

OOISAY® | Automotive Car Battery Online Retailer 1. Monitor Battery Voltage & Alternator Charging 2. 12V / 24V Applicable 3. Dual DC 5V/4.8A USB Charger 4. Powered by Cigarette Socket How to Check Battery Important: CHECK ONLY AFTER 8 HOURS BATTERY SIT UNUSED 1. Plug the Multimeter into cigarette socket 2. Power on the vehicle without engine start * Key: Turn the ignition switch to ACC position * Push Start Button: Press ENGINE START/STOP button without pressing the brake pedal 3. Monitor Multimeter LED display * Battery Bad: < 11.9V * Battery Good: 11.9V <-> 12.6V How to Check Alternator 1. Plug the Multimeter into cigarette socket 2. Start the vehicle engine (one-time acceleration to 1~2000 RPM for Europe vehicle) 3. Monitor Multimeter LED display * Alternator Bad: < 12.9V or >14.4V * Alternator Good: 12.9V <-> 14.4V #carbattery #carbatterychecker #checker #carcharger #AMARON #VARTA #GS #YUASA #GSYUASA #POWERZONE #OOISAY