Dell Original 6-Cell 65Wh Latitude Battery - 9TJ2J

Battery Type

Lithium-Ion

Chemistry

Li-Ion

Capacity

4000mAh (~65Wh)

Voltage

11.1 V

Cell Count

6-Cell

Color

Black

Technology

High-performance OEM Li-Ion cells for extended battery life

Weight

~0.42–0.46 kg

Dimensions

~28.0 × 6.5 × 2.0 cm (approximate)

Compatible Models

Dell Latitude Series: Latitude E5440, Latitude E5540

Typical Runtime

~6–9 hours depending on workload and settings

Charge Time

~2–3 hours with Dell AC adapter

Safety Features

Overcharge protection, temperature control, overcurrent and short-circuit protection