On Order Garmin-asus Mobile, Smartphone Battery Li-ion Battery fits Garmin-asus, nuvifone m20, nuvifone m20 us 3.7V, 1850mAh CS-GAM20XL $37.43 The battery that is shown here is manufactured using the best designed components and the highest quality parts. 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 than it is to return the product later. Please... Add to cart