HP CQ42 High-Quality Replacement Laptop Battery (10.8V / 4400mAh)
The HP CQ42 replacement battery provides a highly reliable, high-quality power solution to ensure uninterrupted productivity for your everyday laptop tasks. Moreover, its enhanced 4400mAh capacity and stable 10.8V architecture match factory performance specifications to keep your notebook running smoothly while studying, working, or browsing. Consequently, this lightweight replacement pack serves as an affordable, cost-effective alternative to expensive OEM hardware. Therefore, you can maintain your laptop mobility immediately after a seamless installation routine without requiring complex setups. Furthermore, advanced protective circuits are actively integrated to shield your internal logic board from short-circuit issues and overcharge hazards. Additionally, the eco-friendly cell composition fully meets standard RoHS green regulations to minimize environmental impacts during continuous daily operation.
■ Technical Specifications
| Model Designation | HP CQ42 Replacement Battery |
| Cell Matrix Chemistry | Lithium-ion (Li-ion) | 6-Cells Layout |
| Voltage Output | 10.8 Volts DC |
| Total Capacity Volume | 4400 mAh / 48 Wh |
| Safety Standards | RoHS Compliant, Built-in Overcharge & Short-Circuit Protection |
| Replacement Warranty | 3-Month Quality Guarantee Protection |
■ Confirmed Laptop Compatibility List
- • HP Compaq Presario CQ42 / CQ43
- • HP Compaq Presario CQ32 / CQ62
- • HP G32 / G42 / G4 Series
- • HP Pavilion DV6 / DM4 Series
- • Compatible Part Numbers: MU06 / MU09
Important Care Tip: To safeguard your brand new replacement battery lifecycle, remember to avoid letting the system power level drain completely to a 0% limit before initiating a safe charge cycle.

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