This is a 12V 18Ah Lithium battery pack, built using LiFePo4 32650 cells. The pack has an in-built protection circuit and uses high-quality cells and
WATTNINE® 12V 18Ah Lithium Battery Pack - LiFePo4 with 1 year warranty – QuartzComponents
WATTNINE® 12V 1200mAh Rechargeable Lithium Battery with Warranty (incl – QuartzComponents
Wattnine 12V Rechargeable Lithium Battery, LiFePo4 Cells with Built-in BMS
WATTNINE® 12V 18Ah Lithium Battery Pack - LiFePo4 with 1 year warranty – QuartzComponents