18650 Battery Pack Calculator
Compute total cells: Multiply cells in series by parallel strings. For a 24V, 10Ah pack using 3000mAh cells: Cells in series: 24V ÷ 3.7V ≈ 6.49 (round up to 7) Parallel strings: 10Ah ÷ 3Ah ≈ 3.33 (round up to 4) Total cells: 7 × 4 = 28 cells. Final configuration: 7S4P (7 series, 4 parallel) How many 18650 batteries to make 1 kWh?