In Stock. Mio Gps, Navigator Battery Li-Polymer Battery fits Mio, Mivue 388, Mio 3.7V, 450mAh CS-MIV388SL $25.89 The quality and the performance of the products from Cameron Sino is literally amazing. Good quality is assured as the products are manufactured to a very high standard Not sure which battery you need to order?, contact us before placing your order. Usually to be certain we will need the original battery model number . Please be prepared to give us as... Add to cart