3.70V,1100mAh,Li-ion,Hi-quality Replacement Pocket PC Battery for Dell Axim X50, X50v, X51, X51v, This PDA battery can replace the following part numbers of Dell: 310-5964, 35h00056-00, 36485, 451-10201, HC03U, T6476, T6845 : Amazon.in:
Cameron Sino 1100mah Pda, Pocket Pc Battery 310-5965, U6192 For Dell Axim X50, Axim X50v, Axim X51, Axim X51v - Digital Batteries - AliExpress
Battery for Dell Axim X50v X50 X51 X51v Pocket PC PDA HC03U 310-5964 35h00056-00 T6845 T6476 451-10201 - Walmart.com
Pda/pocket Pc Battery For Dell Axim X50, X50v, X51, X51v 1100mah New Free Shipping - Digital Batteries - AliExpress
DELL Axim x50 Handheld mobile PDA Pocket PC Bad Battery W/Stylus | eBay