Last items in stock Acoustic Research Remote Control Battery Li-ion Battery Fits Acoustic Research, Arrx18g, Nevo, C3 3.7v, 1000mah CS-MF603RC $27.53 The batteries we supply almost always will match the existing batteries capacity. Sometimes there may be a difference due to the availability of components. Finding the correct battery for your device can be difficult. There are a huge range of models and part numbers and it can be confusing. Believe us when we say its easier to reach out to us first... Add to cart