YD165 Dell 6 Cell 56WHr Lithium-Ion Battery for Dell Latitude D520 Laptop (Refurbished)
eReplacements 310 4345 Notebook battery lithium ion 4400 mAh for Dell Latitude D510 D520 D530 D610 D620 D630 D810 D830 Precision M20 M60 M70 - Office Depot
Amazon.com: Fancy Buying New Laptop Battery for Dell Latitude D600 D505 D610 D520 D500 D510 D530 / 600M, fits P/N C1295 6Y270 3R305 : Electronics
Dell - Latitude D520 Battery | Complete Battery Source
New 11.1v 5200mah 6y270 Original Laptop Battery For Dell Latitude D600 D610 D500 D510 D530 D505 D520 Series Laptop Notebook - Laptop Batteries - AliExpress