For:
XPR3300 XPR3500 XPR7350 XPR7550
XIR P8600 XIR P8608 XIR P8620 XIR P8628 XIR P8660 XIR P8668
DP4400 DP4401 DP4600 DP4601 DP4800 DP4801

Specification:
7.4v Li-ion 2000mAh(Chinese Cells)
7.4v Li-ion 2500mAh(Sanyo Cells)

Number of charge cycles:300/500
Dimension:114.30*51.7*23.14mm
Weight:155g