FLOUREON 3 Packs Rechargeable Cordless Phone Battery for V-Tech 89-1323-00-00 Model 27910 Telephone Replacement Pack Brand: Floureon (1 year warranty and friendly customer service) Voltage: 3.6V (Compatible with 3.7V); Capacity: 900mAh Type: Replacement Battery; Rechargeable: Yes; Chemistry: Ni-MH Compatible with Models: Vonage MD6430; AT-T/Lucent: 27910, 8058480000, 8900990000; Vtech: 80-0099-00-00, 80-1323-00-00 Over-voltage, over-current, over-charge, and short-circuit protection