This battery pack is made up of the best quality tested  ICR 18650 Lithium-Ion Batteries. It is small in size and weight compared to Ni-Cd, Ni-MH, and Lead Acid Batteries. The battery pack can be directly charged with the DC power Adapter, so need not use specialized battery chargers. Product Technical Details :    Sl No. Descriptions Specifications Remarks 1 Nominal Capacity 2.2Ah capacity according to standard discharge, after standard charge 2 Nominal Voltage 11.1V 3s 1p Average Voltage According to standard discharge, after standard charge 3 Normal Current <500MA – 4 Max. Continues Current <2.2A – 5 Charge Type CC/CV – 7 Charge current 1A Constant Current 8 Discharge current 2.2A Constant Current 9 Max Discharge current 2.2A Pulse discharge current 100A (2 sec.) 10 Min. Discharge Voltage 2.4V – 11 Weight 135 Gram – 12 Dimension 60*70*25 MM Different assemble ways, Different Dimensions According to customer request 13 Charge Temperature 0 to 45C – 14 Discharge Temperature 0 to 60C – 15 Storage Temperature 0 to 35C – 16 Temperature Protection 75C –   Package Includes: 1x 2.2Ah Li-ion 11.1v 3s High-Quality Battery Pack SKU: PGI-0042 Category: Batteries