EBL Pack of 4 Cordless Phone Battery Fit for Vtech 80-5071-00-00 8050710000 Again & Again STB-912 STB912 Casio CP2775 TC2575 TC508 TC510 TC520 TC749 TC919 Packs :4 packs Vtech 80-5071-00-00 Ni-Cd 2*AA 3.6V 800mAh Battery Battery Type: Rechargeable Brand New Replacement Product, Works as Genuine Parts The Replacement Battery come with 30 days money back and 12 months warranty