[Officiaallet Compatible with various devices: Samsung Galaxy S2 T989(T-Mobile )/ SGH-I727( AT & T )/I515(Verizon)/TELUS Samsung Galaxy S2 II X T989D/SPH-L700S(print)[ Not Compatible With Samsung Galaxy Nexus I9250, Not Compatible With Galaxy S2 I9100 ], Without NFC/Google Wallet Made with Grade A Li-ion cells and highest quality raw materials, built-in protection circuit to assure safety under all circumstances. Battery type: Li-ion; Voltage: 3. 7V; Capacity: 1850mAh Ultra-Long Standby Time; Same Size as Your Original Battery; Certified by CE / RoHS; Package includes: 1 pc cell phone battery. 24 * 7 email support;1 year hassle-free warranty. 100% satisfaction GUARANTEED;