... Low Internal Impedance; 2,Low Self-discharge 3,Long Service Life 4,Superior High Rate ... RangeSpecifications:NameNi-MH SC 3500mAH 14.4V battery packRated voltage14.4VRated Capacity3500mAHInternal Impedance≤200mΩCycles ... , Medical instruments ,Electric massager , Lawn lamp ,LED lamp , Solar lamp , Stand-by power , Power drill , Electric hair clippers, ... products 14.4V Ni-MH rechargeable battery pack