Single battery voltage: 3.7V
  Single battery capacity: 2200mAh power 5C discharge
  Combination method: 10 strings 2 parallel
  Nominal voltage: 36V input voltage: 42V output voltage: 36-42V
  Combined capacity: 4400mAh (4.4Ah)
  Battery pack size: 58 * 85 * 135mm (default size)
  Outer packaging: blue PVC
 Built-in protection circuit: with overcharge, overdischarge, overcurrent, short circuit and other protection functions!