... 3.OEM/ODM, CE,RoHS 4.Warranty,Safety The 12V100Ah LiFePO4 Battery with BMS/PCM/PCB,used in solar system and car ... 3.2V20Ah to assemble difference voltage and capacity battery pack. We also see the battery cell 3.2V20Ah, 3.2v 10Ah.^-^ Below is ... some battery pack use 3.2v20Ah cells,built-in PCM/BMS to protect the battery safety. ^-^ Below is PCM/BMS Photo UL Certification LiFePO4 Battery 12V ...