mobile battery 8800 for Blackberry 1)Capacity: 1000mAH or depends on customer's reqirement; 2)Voltage:3.7v 3)Talk time:up to 160minuts 4)Standby time:up to 70hours 5) Life cycle: at least 500 times 6)Battery type: lithium Ion 7) Warranty time:1year 8)Weight:24grams 9) Size: same as the original one 10) Compatible withBlackberry :Curve 8350i, 8800, 8820, 8830 11) Grade A Li-ion battery cell: aluminum shell core and double protection IC 12) Environment protection certification 13)Offer OEM service High quality, competitive price, fast delivery, best service. Warmly welcome to contact us.