Dell 50Wh Lithium-Ion Laptop Battery (5Y3T9) - 4113 mAh

Your laptop's original battery may no longer hold a charge like it used to, leaving you tethered to a wall outlet and disrupting your workflow. The Dell 50Wh Lithium-Ion Battery restores reliable, long-lasting power, so you can work, study, or create without interruption. Designed as a genuine replacement for select Dell laptops, this battery delivers consistent performance and safety, making it an essential upgrade for aging devices.

Who is it for

This battery is ideal for professionals, students, and frequent travelers who depend on their Dell laptop throughout the day. If your current battery drains quickly, fails to charge, or causes unexpected shutdowns, this replacement brings your device back to life. It's also a smart choice for IT departments maintaining fleets of Dell laptops, ensuring every unit remains productive and portable.

Main features

• 50Wh capacity provides extended runtime for everyday tasks
• 4113 mAh rating ensures ample power for demanding applications
• Lithium-ion chemistry offers high energy density and low self-discharge
• Genuine Dell quality guarantees compatibility and safety
• Easy installation—no special tools required

Specifications

• Brand: Dell
• Model: 5Y3T9
• MPN: 5Y3T9
• EAN: 5715063363300
• Battery capacity: 50 Wh
• Battery technology: Lithium-Ion (Li-Ion)
• Battery capacity: 4113 mAh
• Product type: Battery

Tips

To maximize battery lifespan, avoid exposing your laptop to extreme temperatures and unplug the charger once the battery reaches 100%. Calibrate the new battery by fully charging and discharging it a few times to ensure accurate power readings.