The 3.7V Original Mobile Phone Battery (1110mAh) for Nokia devices is typically used in older or basic Nokia phones, such as the Nokia 1110 series. Here’s some basic information:

• Voltage: 3.7V

• Capacity: 1110mAh

• Type: Lithium-ion (Li-ion)

This battery should provide a good balance of performance and longevity, especially for phones that are not heavily demanding in terms of power usage. The 1110mAh capacity is sufficient for devices with less power-hungry features compared to modern smartphones.

If you're looking to replace or upgrade this battery, be sure to check that the brand is authentic (if it’s a custom brand, verify that it’s a quality third-party manufacturer) and that it’s designed specifically for your device. Using a non-original or low-quality battery can affect performance, safety, or device longevity.

Let me know if you need additional details!