1 Charging indication: LCD screen would display the word 'IN' when charging. 2 Output load indication: After connecting the load, long press LED switch to start the output. Then screen would show the word 'OUT' and output voltage/current 5V/1A or 5V/2.1A. 3 Protection function: Integrate lithium battery protection circuit to prevent overcharge, overdischarge and overload. 4 Connect the battery positive pole to B+, connect the battery negative pole to B-. 5 Can connect one lithium battery or multiple lithium batteries in parallel. But the following conditions must be met: capacity 20W mAh, 3-4.2V voltage.
What's in the box
1 x Power Bank
