u/seaker2022

This is a 4P Lifepo4 battery pack, 4P in parallel, packed as 3.2v - 20Ah, when I bought it, it was 0V, when I put it on charge at 3.55v, it took 2A to charge. Is that normal? Or is the battery faulty? After about an hour, the charging ampere decreased to about 0.5A, there is no BMS