All the Geilienergy products comply CE?? RoHS?? MSDS?? UN38.3 Certifications.</br>Battery Type:Ni-MH / Voltage:2.4V / Capacity:400mAh</br>Type: Replacement Battery / Reachargeable: Yes</br>The manufacturer of Geilienergy battery packs passed ISO 9001??ISO 14001 and ISO QC08000 quality systems.</br>Note: Since there are a lot of details phone models?? please make sure you select the right battery model according to your original battery.</br></br>Product Description</br></br><b>Compatible with Models:</b><br> <b>American Telecom: </b>E30021CL?? E30022CL?? E30023CL?? E30025CL?? LH070-2A43C2BRML1P AT&T: BT166342?? BT-166342?? BT266342?? BT-266342?? CL84100?? CL84200?? CL84250?? CL84300?? EL2100?? EL51100?? EL51200?? EL51250?? EL52100?? EL5220?? EL52200?? EL52210?? EL52250?? EL52300?? EL52350?? EL52400?? EL52450?? EL52500?? EL52510?? TL