Types of BB Batteries in Additional BlackBerry FAQ’s Handy Reference Chart: OEM batteries by series 71XX – Dark blue (C-S2) – 1000mAh 81XX – Gold/yellow (C-M2) – 1400mAh 83XX – Dark blue (C-S2) – 1000mAh 87XX – Dark Blue (C-S2) – 1000mAh 88XX – Green (lime) (C-X2) – 900mAh
