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Item: IM1LL7243 Model: HP-6720S
Keep your laptop portable by replacing your old laptop battery with the BTI six-cell Li-ion battery. Compatible with the HP Compaq 6720 and 6820 notebooks, this rechargeable battery installs easily by snapping in place, and it comes with an 18-month limited warranty for peace of mind. The slim size makes it easy to keep an extra battery on hand in your laptop bag for times you aren't near an outlet but need access to your data and files on your computer.