External Power Bank Hoco B31 20000 mAh
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| Brand: | Hoco |
| Description: | Capacity: 20000 mAh |
| Type: | Portable accumulator |
| Capacity: | 20000 mAh |
| Output connectors: | micro USB |
| Max. current per USB 1: | 2.1 A |
| Max. current per USB 2: | 2.1 A |