2-Power 2P-5B10Q39201 - Battery - 2-Power

Field technicians and office professionals rely on the 2-Power 2P-5B10Q39201 to keep their Dell Latitude and Precision laptops running through long shifts, site visits, and back-to-back meetings. This 6-cell lithium-ion pack delivers 48Wh of energy at 11.1V, providing a dependable 4400mAh capacity that matches or exceeds the original battery's endurance. Whether you are crunching spreadsheets in a conference room or troubleshooting equipment in a warehouse, this battery swaps in cleanly and charges with the standard Dell adapter you already own.

Key specifications

• Battery type: Lithium-Ion (Li-Ion)
• Voltage: 11.1 V
• Capacity: 4400 mAh
• Energy rating: 48 Wh
• Number of cells: 6-cell
• Colour: Black
• Product type: Replacement laptop battery
• Rechargeable: Yes
• Safety features: Overcharge protection, over-discharge protection, over-current protection, short-circuit protection
• Certifications: CE, FCC, RoHS

Why choose it

Built with high-quality Li-Ion cells and integrated protection circuitry, this 2-Power battery guards against overcharging, deep discharge, current spikes, and short circuits. It is engineered to meet or exceed the performance of Dell's original PT434, KY477, and other equivalent part numbers, ensuring a snug fit and stable power delivery. The black housing blends seamlessly with most Latitude and Precision models, and the battery is fully rechargeable for hundreds of cycles.

Ideal use cases

• Replacing a worn-out or swollen original battery in Dell Latitude E6400, E6410, E6500, or E6510 laptops
• Extending runtime for Dell Precision M2400, M4400, or M4500 mobile workstations used in CAD, GIS, or field data collection
• Keeping a spare battery charged for hot-swapping during long shifts without access to AC power
• Refurbishing corporate fleets of older Dell laptops to extend their service life

Good to know

This battery is compatible with a wide range of Dell original part numbers, including PT434, KY477, FU268, NM631, W1193, 312-0748, 312-0749, 312-0753, 312-0754, 312-0917, 312-0918, 451-10583, 451-10584, 451-10655, 451-10656, C719R, D830M, F678F, G555N, H062M, J605F, K456N, P018K, R822G, U844G, W079R, and Y568J. Always verify your laptop's exact model and original battery part number before ordering. The battery is CE, FCC, and RoHS certified, meeting strict safety and environmental standards.