2HR-SCU-S.T. : 2.4 volt 2100mAh Stick, with Solder tabs. 3.4" long
2HR-SCU : 2.4 volt 2100mAh rechargeable NiMH Battery Stick. Dimensions: 0.88" diam. x 3.4" height; weight = 3 oz. Has Solder Tabs spot-welded to each end.