The Dell PT434 Replacement Battery is a high-quality power solution designed to restore your laptop's mobility and performance. Compatible with select Dell Latitude and Precision models, including the Latitude D630, D830, D531, and D820, this 6-cell Lithium-Ion battery delivers reliable energy with a capacity of 5200mAh and a voltage of 11.1V. Engineered for efficiency, it offers up to 4-6 hours of runtime, depending on usage, and is built to last with over 500 charge-discharge cycles. Safety features like overcharge, over-discharge, and short circuit protection ensure dependable operation. Lightweight and CE, FCC, and RoHS certified, the PT434 replacement battery is the perfect choice for users seeking a cost-effective and durable replacement for their Dell laptop.