4-Cell 3.7v Rechargeable Lithium Battery Pack With Wire Leads

-product type: 4-cell 18650 3.7v rechargeable lithium battery pack -cell configuration: 4x 18650 cells in parallel (4p) -cell type: lithium-ion 18650 cells -nominal voltage: 3.7v dc -full charge voltage: 4.2v -discharge cut-off voltage: 2.75v - 3.0v recommended -chemistry: rechargeable li-ion -connector: pre-soldered red (+) and black (-) wire leads -protection: blue pvc shrink wrap insulation for all 4 cells -compatibility: power banks, rc cars/drones, flashlights, solar systems, diy electronics -use: high-capacity replacement pack, custom 3.7v power solutions -safety notes: use with bms, do not short circuit, overcharge, or expose to fire/heat s021