Battery for Microsoft Lumia 640 BV-T5C 2500 mAh Li-ion replacement battery

Replacement Li-ion battery BV-T5C for Microsoft Lumia 640 with 2500 mAh capacity provides a direct spare battery solution for the Lumia 640 smartphone. Designed to match the original battery's voltage and form factor, this replacement ensures compatible fit and power delivery for everyday phone functions including calls, messaging, apps and media playback. The battery is intended as a service replacement for worn-out cells or as an extra battery for travel and extended use.

Advantages

This 2500 mAh Li-ion battery restores device runtime to typical levels for the Lumia 640 while maintaining a compact, lightweight profile. It delivers stable output for standard phone operations and is compatible with the Lumia 640 battery compartment and connector. The design focuses on reliable single-cell chemistry with sufficient capacity for daily mixed use scenarios without altering device performance or requiring hardware modifications.

Suitable for

• Replacing a worn or degraded Lumia 640 battery
• Keeping as a spare battery for travel or long days away from a charger
• Maintaining uninterrupted phone use during extended calls, navigation or media playback

Key specifications

• Battery type: Lithium-ion (Li-ion)
• Nominal capacity: 2500 mAh
• Compatible device family: Microsoft Lumia 640 smartphone
• Form factor: removable handset battery designed to fit Lumia 640 compartment
• Typical use: replacement for original single-cell smartphone battery

How to use

Power down the Lumia 640 and remove the rear cover according to the device manual. Carefully disconnect and remove the original battery, then insert the replacement battery into the compartment ensuring correct orientation of contacts. Refit the rear cover and power on the phone. Charge the new battery fully before first use to calibrate remaining charge indicators. Dispose of the old battery following local regulations for electronic waste.

Usage recommendations

For optimal battery life and safety, use the manufacturer-recommended charger and avoid exposing the battery to extreme temperatures or moisture. Charge cycles, background apps and display brightness affect runtime; reducing screen brightness and closing unused apps can help extend daily usage. If the device shows signs of swelling, overheating, or abnormal performance, stop using the battery and seek professional inspection.