Replacement battery pack for the Cisco 7921 handheld phone is 3.7 Volts, with extended capacity 2000 mAh, Lithium Ion battery calls in a plastic snap in case
Replacement battery pack for the Cisco 7921 handheld phone is 3.7 Volts, with extended capacity 2000 mAh, Lithium Ion battery calls in a plastic snap in case