... 4. Color: white/Black 4000 mAh External Backup Battery for Samsung Galaxy Note 2 n7100 with Leather Case 1. Cell type: Li-polymer battery2. Input ... card, card reader,holder and etc. Spare Parts Available: lcd/display, flex cable, trackball,trackpad,speaker,microphone, charging connecter,buzzer ... the quality problems. 4000 mAh External Backup Battery for Samsung Galaxy Note 2 n7100 with Flip Cover