Battery Green Cell DE117 for DELL Latitude 11 3150/3160, 12/ E5250/E5270 — LiPo 11.1V 3400mAh, 4 cells, black

The Green Cell DE117 battery is a direct replacement battery compatible with DELL Latitude 11 3150, 3160 and Latitude 12 E5250, E5270 models. It uses Lithium Polymer (LiPo) technology and a 3400 mAh capacity to deliver stable power and help maintain portable operation. The unit is black and designed to match the physical fit and electrical characteristics of the original battery for straightforward installation and reliable day-to-day use.

Advantages

This battery provides a capacity that meets or exceeds original specifications, offering prolonged runtime compared with a worn battery. Lithium Polymer construction ensures a compact form factor and consistent discharge behavior. The product is engineered to be compatible with the listed DELL Latitude models, enabling a simple swap-in replacement without major setup. Black casing matches the laptop aesthetics while providing standard mechanical protection.

Suitable for

• Replacing an aged or failing battery in DELL Latitude 11 3150 or 3160
• Replacing an aged or failing battery in DELL Latitude 12 E5250 or E5270
• Restoring portable use for students and professionals who need reliable runtime
• Field work where original battery runtime is insufficient

Key specifications

• Battery technology: Lithium Polymer (LiPo)
• Nominal capacity: 3400 mAh
• Colour: Black
• Compatibility: Designed for specific DELL Latitude 11 and 12 models listed above
• Form factor: Replaceable internal laptop battery

How to use

Power off the laptop and disconnect any external power source before starting. Remove the service hatch or bottom cover according to the laptop’s maintenance instructions, then carefully disconnect and remove the old battery following ESD-safe procedures. Install the Green Cell DE117 by aligning the connector and securing the battery in place, then reattach the cover and power on the laptop. Allow the battery to charge fully before first extended use to ensure accurate charge level reporting.

Recommendations

For optimal battery life, use the device with updated firmware and power-management settings. Avoid exposing the battery to high temperatures and physical damage. If storing the battery for extended periods, keep it at about 40–60% charge and in a cool, dry place. If the laptop reports calibration issues, perform a charge-discharge cycle occasionally to maintain accurate battery level readings.