Nokia BP-5M 0670565 Original OEM - Battery - Non-Retail Packaging - Dark Grey This original OEM Nokia battery is no exception. This 3.7 volt lithium ion battery will provide your compatible Nokia devices with optimized 900 mAh of power which will in turn give you the best possible most reliable power for your Nokia device. With an original Nokia battery you will reliable longer lasting power in a super sleek and compact design. This original OEM Nokia battery is no exception. ^This 3.7 volt lithium ion battery will provide your compatible Nokia devices with optimized 900 mAh of power ^which will in turn give you the best possible most reliable power for your Nokia device. ^With an original Nokia battery you will reliable longer lasting power in a super sleek and compact design.