Dual USB 5V 1A 2.1A 18650 Lithium Batery Charger Module LCD Display
- Charging indication: LCD screen would display the word 'IN' when charging.
- Can connect one lithium or multiple lithium batteries in parallel. But the following conditions must be met: capacity≤20W mAh, 3-4.2V voltage.
- 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.
- Connect the positive pole to B+, connect the negative pole to B-.
- Protection function: Integrate lithium protection circuit to prevent overcharge, overdischarge and overload.