On Order Smiths Medical Battery Ni-MH Battery fits Smiths, Cy-300 9.6V, 2000mAh CS-SWY300MD $60.70 The batteries we supply almost always will match the existing batteries capacity. Sometimes there may be a difference due to the availability of components. Choosing the right product to fit and replace your battery can be difficult and for those of you who are not technically inclined it is very difficult. We do recommend that you remove the old battery... Add to cart