Ring SmartCharge+ 12 - 2A/4A/8A/12A Car Battery Charger/Tester. USB 500mA RSC512
USB 500mA RSC512. There is a portable USB charging socket - 5V 500mA,and LED light, but requires new CR1620 3V battery to operate - to be honest never needed. Battery test. UK Mainland only. Hi everyone!