Compare 2 A / 3 A / 4 A charger times for typical 36 V and 48 V packs.
Common: 2 A slow, 4 A fast
Primary result
Charger power: 72 W
| Charger power | 72W |
|---|---|
| Charge current | 2A |
| Efficiency | 88% |
Note: 2 A brick ≈ 72 W on 36 V; 4 A ≈ 144 W. Small packs heat quickly above 2C — prefer slow overnight charges.
More tools in this category and beyond