In Stock. Rainin Medical Battery Li-ion Battery fits Rainin, Edp3, Edp3 Plus, Edp3 Plus Pipettes 3.7V, 800mAh CS-RPE300MD $29.18 The batteries we supply almost always will match the existing batteries capacity. Sometimes there may be a difference due to the availability of components. Batteries come in a variety of different formats, often a single model of battery will actually replace hundreds of other models in a multitude of different devices. The manufacturers of many devices... Add to cart