3 pieces C-M2 Replacement Battery For Blackberry Pearl 8100 8130 8220 8110 8230 8120 High-quality and rechargeable lithium-ion cell, long conversation and standby time long working life and excellent security. Integrated microchip prevents overcharging & lengthens battery life. Rechargeable with no memory effect Stylish designmade by third party Capacity : 850mAh