You can buy Gionee P5L Battery 2350mAh direct from here and the model of this battery is BL-G2300Z. The battery has 2350mAh power storage capacity and will fit comfortably in the mobile.
Product Details:-
Compatible Brand: Gionee
Compatible Model: P5L
Battery Model: BL-G2300Z
Capacity: 2350mAh
Battery Type: Li-ion
Warranty Type: 3 Month Replacement Warranty