RIM Blackberry Original Battery Standard Capacity lithium ion battery is an exact replacement for the battery that came with the phone. Made by Blackberry; for Blackberry. Detailed Specs:Talk Time: up to 270 minutes, Stand by Time: up to 240 hours, Capacity: 1000 mAh, Weight: 35 grams/1.23 ounces, Thickness: 8mm/0.31 inches CompatibleBlackberry 7100 Blackberry 7100g Blackberry 7100i Blackberry 710