These laptop models are compatible with two types of batteries: a 42Wh(WDX0R) and a 56Wh(33YDH) version. Please make sure your laptop uses the 42Wh (WDXOR) battery before purchasing. Compatible models include: Latitude 3340, 3400, 3480, 3490, 3500, 3580 and 3590.
【GUARANTEE】Our Dell WDXOR WDX0R Replacement Laptop Battery is 100% Compatibility with the originals. Complying with the CE/FCC/ROHS/UL Certified Standard ,Stability - WDXOR WDX0R Laptop Battery Replacement battery for Dell offers 600+ recharge cycles over life of battery