HP Compaq Presario CQ35 / Pavilion dv3 Laptop Battery Replacement

This HP CQ35 / DV3 replacement battery is a reliable power solution designed to restore original performance and mobility for HP Compaq Presario CQ35 and HP Pavilion dv3-2000 series laptops. It is fully compatible with multiple models across the CQ35 and DV3 range and replaces common OEM battery part numbers such as 516479-121 and HSTNN-DB94. Built with high-quality lithium-ion cells, it delivers stable 10.8V output and consistent runtime for everyday computing tasks including office work, browsing, and multimedia use. The battery is designed as a removable internal pack and is suitable for replacing worn-out, weak, or non-charging original batteries. It includes essential safety protections such as overcharge, over-discharge, and short circuit protection to ensure safe and reliable operation.