About this replacement
Designed for TP-Link, Neffos devices. Compatible models include Neffos X1 Max, Neffos X1 Max Dual SIM, Neffos X1 Max Dual SIM LTE AM, TP903A, X1 Max, X1 Max Dual SIM, X1 Max Dual SIM LTE AM. Replacement part numbers include NBL-35A3000. Key specifications: 3.85V, 2800mAh, Li-Polymer.