Anker 90HPDV4-B88A Lithium-Ion 8800mAh 10.8V rechargeable battery

12 cell 8800mAh 10.8v replacement battery for HP Presario CQ40 Upgrade via replacement.
With grade A cells, premium chipsets and and hassle-free, friendly service, Anker laptop batteries have become a replacement-battery favorite, with the most top-rated products in the category. So buy with confidence and experience reliable power for years to come.

While you’re at it...
Add extra USB ports with data transfer rates of up to 5Gbps with Anker’s line of USB 3.0 Hubs.

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We created Anker with a single goal in mind: to make the smart life easier. That means starting with affordable, high-quality gear and ending with a commitment to 100% user satisfaction and an 18-month warranty. After all, we’re customers too.