Dual USB 5V 1A 2.1A Power Bank 18650 Lithium Batery Charger Module LCD
Feature: \n 1. Charging indication: LCD screen would display the word 'IN' when charging.\n2. 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.\n3. Protection function: Integrate lithium battery protection circuit to prevent overcharge, overdischarge and overload.\n4. Connect the battery positive pole to B+, connect the battery negative pole to B-.\n5. Can connect one lithium battery or multiple lithium batteries in parallel. But the following conditions must be met: capacity\u226420W mAh, 3-4.2V voltage. \n\nSpecification: \n\nFeatures: \n\n1. Charging indication: LCD screen would display the word 'IN' when charging.\n\n2. 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.\n\n3. Protection function: Integrate lithium ba:
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Dual USB 5V 1A 2.1A Power Bank 18650 Lithium
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