Silvercrest SURB 520 A1 - Manual (Page 11)

Power Bank SUPB 520 A1
10 - English
Cleaning and care
Disconnect the Power Bank from the USB socket, unplug all connected devices and remove the
battery prior to cleaning otherwise the Power Bank and any connected devices may be
damaged by short circuits.
If dirty, clean the device with a dry cloth or use a slightly damp cloth for stubborn dirt. Do not use
any solvents, irritants or gaseous cleaners. No moisture must penetrate into the device.
When not using the Power Bank for a long time, recharge the battery every 3 months in order to
maintain battery performance.