Check you motorcycles battery voltage with this go anywhere Double USB Socket + Voltmeter Battery
The USBDIN-VM accessory is a adapter for DIN.4165 socket with two distinct functions:
– Dual USB socket (2 outputs of 2.1 Amp) for charging smartphones, tablets, satellite navigators and any other electronic device.
– Voltmeter for monitoring battery voltage, for lead-acid & lithium batteries. Battery volts are readable even when the transparent waterproof cap is closed, allowing you to check the condition of the battery when the bike is in use: this makes it possible to check the correct operation of the alternator, which is especially important when using a lithium battery.
The accessory is compatible with 12/24V DIN.4165 sockets, installed as standard on all BMW motorcycles and on numerous Ducati and Triumph motorcycles.