For Sonim XP10 XP9900
3.87V 5000mAh/19.35WH
For Sonim PHONE
3.85V 3500mAh/13.47WH
For Sonim XP3 Plus XP3900
3.85V 2300mAh/8.85Wh
For Sonim XP8 XP8800
3.7V 1680mAh/6.21WH
For Sonim XP7 XP7S XP7700
3.8V 4800mAh/18.3Wh