About this replacement
Designed for AT&T, ZTE devices. Compatible models include Blade Spark, Z971, Axon 7, A2017U, A2017U Dual SIM LTE-A, Grand X4, Z956, Blade V8 Pro, BV8P121, Blade V8 Pro Dual SIM, Blade V8 Pro Dual SIM LTE, Z978. Replacement part numbers include Li3931T44P8h756346. Key specifications: 3.85V, 3100mAh, Li-Polymer.