On Order Bti Cordless Phone Battery Ni-MH Battery fits Bti, Diverse 3010 Micro, On Air 1000 Exec, On Air 1100 Exec 3.6V,... CS-NS3019CL $27.82 The batteries we supply almost always will match the existing batteries capacity. Sometimes there may be a difference due to the availability of components. Battery selection is confusing. Leave the selection stress to the experts if you are really not sure. We can be contacted easily by live chat or by email. We almost always will respond to your query... Add to cart