With this power bank from Grundig, you can easily charge your phone anywhere on the go. Thanks to its compact size and slim design, it fits easily in your rucksack or bicycle bag.
The power bank has a capacity of 10,000mAh or 20,000mAh, allowing you to charge your phone up to 2 or 4 times before you need to recharge the power bank. 
This external battery is ideal for long walks or a day out on your bicycle while your navigation is constantly on.
The power bank has 2 USB-A inputs and 1 USB-C input, so you can charge multiple devices at the same time.
The USB micro input is used to charge the power bank itself. 

Details

• Dimensions 10000mAh: 13.6 x 7 x 1.5 cm
• Dimensions 20000mAh: 13.6 x 7 x 2.8 cm