The Mathorn Ultimate NiMH 4xAA 2600mAh Rechargeable Battery Pack delivers a genuine 2600mAh capacity with low internal impedance for stable voltage, minimal heat build-up, and rapid charging up to 1300mA in as little as 2.5 hours. Built for durability, it retains 88% capacity after 450 cycles, making it ideal for demanding devices such as cameras, recorders, radios, and microphones.