With an extra battery on hand, you'll never be without the power it takes to get the job done. The new RIM BlackBerry battery C-S2 is a long life 1000Mah Li-Ion battery so you can always talk, type and work as long as you need to. Keep it in your bag or briefcase so you'll stay connected, powered up and ready to get the job done. This battery is required for use in the BlackBerry 7100i, BlackBerry 7130e, BlackBerry 8700c and BlackBerry 8700r. It is also fully compatible with the rest of the BlackBerry 7100 series and the 8300 Curve. Tested and Certified for use with: BlackBerry 7100g, BlackBerry 7100i, BlackBerry 7100r, BlackBerry 7100t, BlackBerry 7100v, BlackBerry 7100x, BlackBerry 7105t, BlackBerry 7130c, BlackBerry 7130e, BlackBerry 7130g, BlackBerry 7130v, BlackBerry 8700c, BlackBerry 8700f, BlackBerry 8700g, BlackBerry 8700r, BlackBerry 8700v, BlackBerry 8703e, BlackBerry Curve 8300, BlackBerry Curve 8310, BlackBerry Curve 8320