1.This GEILIENERGY rechargeable battery pack isintended for use in cordless phone only. 2.Do not mix use this 2.4V400mAh BT166342 rechargeable battery pack with any other 2.4V battery pack.for example BT18433 3.Mis-use of either the charger or the batteriescould cause explosion or fire.So do not store in temperature over 60 andcharge only with specified charger 4.Since there are plenty of 2.4V AAA2cordless phone battery packs ,please make sure you choose the one that meetyour cordless phone before you buy it SPECIFICATION:Dimension:1.730.790.39inch(44mm20mm10mm) Voltage:2.4V Capacity:400mAhBattery Type:NiMH Over-voltage, over-current, over-charge, and short-circuitprotection & Best wire Length for the space Apply forBT183342 BT283342BT166342 BT266342 BT162342 BT262342 Compatible with Models: Uniden:Dect3080American Telecom: E30021CL, E30022CL, E30023CL, E30025CL,LH070-2A43C2BRML1 AT&T;: BT166342, BT266342, CL80100, CL80101, CL80111,CL81101, CL81201, CL81211, CL81301, CL82100, CL82101, CL82200, CL82201,CL82250, CL82300, CL82301, CL82350, CL82351, CL82400, CL82401, CL82450,CL82451, CL82500, CL82501, CL82550, CL82551, CL82600, CL82601, CL83101,CL83201, CL83301, CL83351, CL83401, CL83451, CL84100, CL84200, CL84250,CL84300, EL2100, EL51100, EL51200, EL51250, EL52100, EL5220, EL52200, EL52210,EL52250, EL52251, EL52300, EL52350, EL52400, EL52450, EL52500, EL52510,TL30100, TL32100, TL32200, TL32300, TL86009, TL86109, TL90070, TL90071,TL90700, TL91270, TL91370, TL92220, TL92270, TL92271, TL92320, TL92370,TL92371, TL92420, TL92470, TL92471Dantona: BATT-E30025CL, BATTE30025CLEmpire:CPH-515J, CPH515JEnergizer: ER-P254, ERP254GE: 30522EE1, 30522EE2, 30522EE3,30522EE4, 30524EE2, 31591IInterstate Batteries: ATEL0068, TEL0068VTech:89-1347-01-00, 8913470100, 89-1347-02-00, 8913470200, BT1183342, BT162342,BT1623421, BT166342, BT183342, BT262342, BT266342, BT283342, 6001, 6105, 6185,6214, 6224, 6326, 6375, 6501, 6509, 6511, 6519, 6521, 6522, 6529, 6601, 6609,6619, 6629, 6641, 6642, 6648, 6649, CL82400, CL82500, CS6114, CS6114-11,CS6114-2, CS61142, CS6124, CS6124-2, CS61242, CS6124-21, CS612421, CS6309,CS6319, CS6319-2, CS63192, CS6319-3, CS63193, CS6319-5, CS63195, CS6328,CS6329, CS6329-2, CS63292, CS6329-3, CS63293, etc. Their battery cells andvoltage are the same ,but connectors are different .Do not mix them pleaseWhen you are not sure whether you purchase the right one ,please refer to thepicture we provide. Technical Requirements Standard Testing Condition StandardCharge Fast Charge Rapid charge Nominal Capacity Cycle Life Short testGEILIENERGY battery is committed to facilitate your life BT183482/BT283482Phone Battery BT183342/BT283342 Phone Battery BT166342/BT266342 Phone BatteryBT162342/BT262342 Phone Battery BT166342/BT266342 Phone BatteryBT162342/BT262342 Phone Battery Model Number BT183482/BT283482BT183342/BT283342 BT166342/BT266342 BT162342/BT262342 BT166342/BT266342BT162342/BT262342 Battery Size AAAA2 AAA2 AAA2 AAA2 AAA2 AAA2 WhetherThe Same Connector Universal NO Capacity 500mAh 400mAh400mAh 300mAh 600mAh 600mAh