Sometimes things just disappear. Whether if you lost, damaged or simply want a new battery door because yours is scratched up; this replacement Blackberry Curve TITANIUM GRAY battery door, in durable plastic, fits your device as well as the original.
So you don't have to worry about your battery disconnecting - or even going missing. You might want to keep one on hand for when you need it. It gives peace of mind - which is a nice thing to have.