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Genuine Dell Latitude E7440 E7450 E7420

NOTE:
Please check your battery part number or Laptop Models to ensure you are getting the correct battery for your laptop!
Please ensure the product(s) that you are going to buy fits the brand, model, volt and part number of your device.
It fits selected models only, If the part number of your original battery or machine model is not listed in our description. Please contact us to confirm the compatibility.

Replacement batteries need breaking in: fully charge the notebook battery, discharge it down to 20% remaining and then fully charge it again, repeat 3-4 times to break-in the notebook battery and get it to charge to its maximum
· Do not impact, drop, crush, pierce, throw or hit your laptop battery pack, as it can damage the battery cell inside.

· Lithium Ions can be ruined if the voltage drops below a certain level, avoid letting your notebook battery drain completely and repeatedly.

· Do not store your laptop away for extended periods with the battery attached. Please remove the replacement battery pack from the notebook before storing it away.

· Fully charge/discharge battery up to 4 cycles before achieving full capacity of a new battery

Fully charge and discharge the replacement laptop battery every two to three weeks for battery conditions