100 X Lithium A123 Battery Cell Li-ion LiFePo4 26650 Solar DIY Powerbank M1B
LithiumWerks / A123 Systems Battery Cells x100 - ANR26650M1b. • Cell Type: These are second-generation LiFePO4 (Lithium Iron Phosphate) cells, known for their safety, stability, and long cycle life. Benefits of LiFePO4 Cells.