Dell YFDF9 High-Quality Replacement Laptop Battery (11.1V / 65Wh)
The Dell YFDF9 replacement laptop battery provides a highly dependable, premium power storage backup to ensure seamless performance for your dedicated educational notebooks and business laptops. Moreover, its heavy-duty 65Wh capacity and stable 11.1V internal matrix layout deliver consistent voltage deployment to keep your device running smoothly during intensive classroom multitasking, project reporting, or daily studying. Consequently, this high-density lithium-ion rechargeable 6-cell pack serves as an affordable, cost-effective alternative to instantly restore your laptop off-grid mobility profile. Therefore, you can safely continue your everyday computational tasks immediately after a simple plug-and-play setup without experiencing sudden system power failures. Furthermore, advanced protective circuits are natively integrated to safeguard your system against hazardous short-circuits and overcharge risks.
■ Technical Specifications
| Battery Model Designation | Dell YFDF9 Replacement Battery |
| Cell Quality Class | Premium Grade-A Replacement Cells |
| Cell Architecture | Lithium-ion (Li-ion) | Heavy-Duty 6-Cells Matrix |
| Voltage Profile | 11.1 Volts DC |
| Total Capacity Volume | 65 Wh (~5800 mAh) |
| Estimated Runtime Profiles | ~1.5 to 2.0 Hours Active Backup (Up to 2.5 to 3.0 Hours Standby Time) |
| Safety Architecture | Integrated Overcharge, Over-discharge & Multi-Cell Smart Protection Modules |
| Replacement Warranty | 6-Month Quality Guarantee Protection |
■ Confirmed Laptop Compatibility List
- • Dell Latitude 13 3350 Series
- • Dell Latitude 13 3340 Series
- • Part Numbers: YFDF9 / 0YFDF9
- • Compatible Codes: HG011 / 0HG011 / 5MTD3
- • Alternate Designations: V8XN3 / 0V8XN3 / 451-BBIE
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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