AAA*3 Nickel Metal Hydride, 800mAh, 3.6V DC,Come with 3 x battery pack 27910 for att phone Compatible with 89-1323-00-00 Model 27910 ia5845 i6727 i6765 i6768 i6777 i6785 i6786 i6789 mi6896 mi6897 mi6807 mi6870 mi6889 SynJ SB67108 SB67118 TL70008 TL71108 TL71208 TL71308 TL72108 TL72208 TL72308 TL72408 TL74108 TL74208 TL74308 TL74308 TL74358 TL70008 TL77008 TL78108 TL78208 TL78308 TL78408 e2912b SD-7501 MD400 23-959 Handset Telephone battery These Batteries are fully Compatible with the original battery,Choose one better than buying new phone. Low self-discharge - Embedded seal structure expand the space of crystal lattice, make more room for hydrogen, so QBLPOWER batteries will holds power longer than others. Over-voltage, over-current, over-charge, and short-circuit protection & Best wire Length for the space 27910 cordless phone battery36158 phone battery 3.6v 750mahsd-7501 3.6v 900mahbattery pack 89-1323-00-00 model 27910phone battery model 27910batt-27910/ul958battery model 27910battery pack 27910 for att phone89-1323-00-00 battery pack model 2791036158 rechargeable cordless batterycordless phone battery sd-7501tel10164 3.6v 700mah nimhbatt-27910ge battery 36158model 27910rechargeable batteries sd7501