Specifications:

Type: Li-polymer

Voltage: 3.7V

Capacity: 2200mAh

Size:   86.5*54.6*4.2 cm

Compatible for battery with part number:    compatible models:   Apple:IPOD OLD MODELS,First Generation (Firewire, Scroll Wheel):5GB Mac: M8513LL/A,5GB Mac: M8541LL/A,5GB PC: M8697LL/A,10GB Mac: M8709LL/A,Second Generation (Firewire, Touch Wheel):10GB Mac: M8737LL/A,10GB PC: M8740LL/A,20GB Mac: M8738LL/A,20GB PC: M8741

Battery Replacement for Apple:IPOD OLD MODELS,First Generation (Firewire, Scroll Wheel):5GB Mac: M8513LL/A,5GB Mac: M8541LL/A,5G