Dell 31Whr 3-Cell Lithium-Ion Laptop Battery (0Y9HNT)

The Dell 0Y9HNT battery is a 31Whr 3-cell lithium-ion unit engineered for select Dell Latitude, Inspiron, and Vostro laptops. Its 11.4V nominal voltage and 2719mAh capacity provide dependable power for mobile productivity.

Highlights

• 31Whr capacity with 3-cell lithium-ion chemistry
• Compatible with Dell Latitude 3301, 3310; Inspiron 5390, 5391, 7390, 7391 2-in-1, 7400, 7490, 7500, 7501, 7590, 7591 2-in-1; Vostro 5390, 5391, 5490, 5590
• Black finish matches original equipment
• Overcharge, over-discharge, and short-circuit protection

In daily use

This battery restores portable runtime to compatible Dell ultrabooks and 2-in-1s. The 31Whr capacity balances weight and endurance, while the 3-cell design fits slim chassis. Rechargeable and rated for 300–500 cycles, it supports everyday work and study.

Full specifications

• Battery type: Lithium-Ion (Li-ion)
• Number of cells: 3
• Capacity: 31 Whr
• Nominal voltage: 11.4 V
• Estimated capacity: 2719 mAh
• Rechargeable: Yes
• Product type: Laptop Battery
• Manufacturer part number: 0Y9HNT
• Colour: Black
• Safety features: Overcharge protection, Over-discharge protection, Short-circuit protection
• Estimated cycle life: 300-500 cycles
• Certification: CE, RoHS

Final note

Verify your laptop model before purchase. This battery is designed for the listed Dell series and may not fit other models.