On Order Averatec Notebook, Laptop Battery Li-ion Battery fits Averatec, 5500, 6100a, 6110 11.1V, 6600mAh CS-FU1640DB $83.38 Quality components are important for the efficient and smooth operation of your battery. We always use the best parts. 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 identified from just the model of the device but some can be harder to... Add to cart