DekCell Battery for Dell PDA Axim X3, X3i, X30 (2300mAh) [Misc.] Battery Type: Li-ion Voltage: 3.70V; Capacity: 2300mAh This replacement is designed for Dell Axim X3, X3i, X30 PDA Battery Part No. 310-4263, F2751, W1359, X1111 Brand new, 1 year warranty!