About this replacement
Designed for E-TEN, Pharos devices. Compatible models include glofiish X500, X500+, glofiish X500+, PTL600, PTL600E. Replacement part numbers include 49004440_X500, US454261 A8T, AHL03716016, 369029665, PZX33. Key specifications: 3.7V, 2400mAh, Li-Polymer.