very good
I ordered the module "3S 11.1V 12V 12.6V Lithium Battery Protection Board Anti Overcharge Over Discharge Current 14A 20A Li-ion Lipo Pack BMS Module" but I received "4S 12.8V 14.4V 16.8V Lifepo4 Li-ion Lipo Lithium Battery Protection Board 18650 BMS 14A limit 20A PCB 4 Cell Pack PCM 3.2V 3.7V"