Original Battery HP 15-bs107tx 15-bs136nl 15-bs173nia 31.2Wh 2850mAh
[CAIEPO-HP-JC03-11.1V-31Wh-2328]

I can only comment on the sevice I recieved which was first class. It is too early to comment on the battery performance as I've only had it 4 days. If the performance matches the servie I'll e very satisfied.