18650

What are some of good chargers to use with HG2 model 18650 batteries? A dude recommended Nitecore and Liitokala. Are they good? Which one is better?

I am having trouble getting my DAMGOO TPA 3116 Bluetooth amplifier board to power up from an Anmbest 6S 25.2V 15A 18650 charger PCB BMS protection board. The battery pack is wired according to instructions with six 18650 rechargeable batteries. I have charged the battery pack. It tests at 19.4...