Solo II, Optima II, Viso II, Quattro and Logtrack take the same batteries and covers (CR2325). Older versions of each product also take the same batteries.

For Prodytter batteries or covers, select Protrack (CR2330)

All batteries come with the correct quantity for the product selected (1 for Altitrack, 2 for others) and all covers come with the required screws.