On Order Olympia Cordless Phone Battery Ni-MH Battery fits Olympia, Allegro Concerto 3.6V, 1500mAh CS-ALB01CL $33.43 Our battery should have the same special dimensions and design as the original battery, the fit and finish is checked to be as close as possible to the original model before dispatch. If you have the battery model number this is probably the most sure fire way to identify the correct replacement battery for your device. Some batteries can easily be... Add to cart