Observación de la batería HP 751681-421
There are 2 batteries for HP x360 310 G1 laptop. One is 3 cell 43Wh (battery model is PL03),the other is 2 cell 29Wh (battery model is PL02XL),so before placing an order please open your laptop to check the old battery at first,if your laptop model is HP x360 310 G1.