Green Cell DE139 -akku - DELL Inspiron 15 5576 5577 7557 7559 7566 7567

Green Cell DE139 is a replacement laptop battery compatible with DELL Inspiron 15 models 5576, 5577, 7557, 7559, 7566 and 7567. It uses Green Cell lithium-ion cells designed to deliver the declared capacity, stable operation and long runtime. The battery is a precision-fit model manufactured to match the original specifications for safe and reliable use and comes in black with a nominal capacity of 4200 mAh.

Advantages

The battery provides extended runtime compared with a depleted original pack, using Li-ion/LiPo cell technology that resists the memory effect and supports up to many charge cycles while retaining useful capacity. Integrated control electronics ensure correct communication with the laptop and include common protections against overcharge, overdischarge and short circuit. The unit is easy to install and restores the laptop’s mobility without requiring additional adapters.

Suitable for

• Replacing a worn or failing battery in DELL Inspiron 15 5576 / 5577 / 7557 / 7559 / 7566 / 7567
• Users who need longer unplugged working time for travel or meetings
• Repair shops and technicians servicing compatible Inspiron 15 laptops

Key specifications

• Model: Green Cell DE139 (MPN: DE139, EAN: 5903317227182)
• Compatibility: DELL Inspiron 15 5576, 5577, 7557, 7559, 7566, 7567
• Battery technology: Lithium Polymer (LiPo) / Li-ion cells
• Capacity: 4200 mAh (nominal)
• Colour: Black

How to use

Power the laptop off, remove the existing battery following the laptop manufacturer’s instructions, then insert the Green Cell DE139 battery in place and lock it securely. Turn on the laptop and allow the battery to charge fully before first extended use. The battery communicates automatically with the laptop’s power management system; no additional configuration is required.

Recommendations

For longer service life, avoid deep discharges and store the battery at moderate temperatures; charge the battery at least occasionally if the laptop is unused for extended periods. Recycle the old battery through proper collection points.