Main feature:

1.1. Battery model:BL-4B
1.2. Normal capacity: 750mAh
1.3. Standard voltage: 3.7V
1.4. Upper limit voltage: 4.2V
1.5. Compatible model: 2505 2630 2660 2760 5000 6111 7070 7088 7370 7373 7500 7500P N75 N76 etc.