Battery for Lenovo ThinkPad E14/E15 (T6 Power) 4050mAh 45Wh, compatible with Gen 2–Gen 4

Replacement laptop battery by t6 power designed for Lenovo ThinkPad E14 and E15 models (compatible with Generation 2, Generation 3 and Generation 4). This user-replaceable battery provides a nominal capacity of 4050mAh (45Wh) and restores portable runtime for everyday tasks such as office work, web browsing and light multimedia playback. The pack is shaped to fit the original battery compartment and offers standard voltage and connector compatibility for direct installation without modification.

Advantages

The 4050mAh capacity balances runtime and weight to maintain laptop mobility while offering sufficient energy for several hours of typical use. As a direct-fit replacement, the battery is designed to align with the laptop’s mounting points and connector layout, simplifying the swap for end users. Manufactured to meet common safety and performance expectations for consumer laptop batteries, it supports normal charging cycles and system battery reporting.

Suitable for

• Lenovo ThinkPad E14 and E15 (Generation 2, 3 and 4) owners needing a replacement power module
• Office work and productivity applications such as word processing and spreadsheets
• Web browsing, video conferencing and email on the go
• Light multimedia playback and presentations away from mains power

Key specifications

• Nominal capacity: 4050mAh (45Wh)
• Compatibility: Designed for Lenovo ThinkPad E14/E15 Generation 2–4
• Form factor: User-replaceable internal laptop battery sized for the original compartment
• Voltage and connector: Standard laptop voltage and connector compatible with target models
• Typical use: Office tasks, web browsing, light multimedia

How to use

Power down the laptop, disconnect it from any external power source and follow the manufacturer’s instructions for battery removal specific to your ThinkPad model. Remove the old battery and insert the t6 power replacement into the same compartment, ensuring the connector is seated and any mounting clips are secured. After installation, connect the laptop to the charger and allow the battery to reach a full charge before relying on battery-only operation. Verify battery recognition in the operating system’s power settings.

Usage recommendations

For reliable long-term performance, cycle the battery through regular charge and discharge sessions and avoid prolonged storage at full charge or extreme temperatures. Use the laptop’s original charger or an appropriate compatible charger and follow Lenovo’s safety guidance when handling and replacing the battery.