received 5 out of 10 damaged. thanks to AliExpress. issued refund.remaining 5 modules are working fine.its better to replace r03 1.2 k resistor with 3.3k for preventing ic damage. otherwise module goes bad after 3-5 charge cycles if more than 500mah charger is used
In general, not that in the description, and also a clear levak. Instead of hsd669a and hsb649a the seller sent 2sb649a and 2sd669a very dubious quality! In description there is no 2sb649a and 2sd669a!