For BlackBerry 8700c, 7100i, 7130c, 7130e, 8703e; 8300, 8310, 8320, 8330 Curve / Gives you the power to keep on communicating / Holds charge longer Nobody plans to fail, but a lot of us fail to plan. Keeping an extra Battery charged and handy is a good plan anytime. Long flights and longer meetings, power blackouts and transit delays, an extra battery gives you the power to keep on communicating. Only a genuine BlackBerry Smartphone battery work best with your device, holding its charge longer and taking the maximum number of charges over its lifetime.