Specification:
Battery type: Li-ion
Voltage: 11.4V
Capacity:56Wh
Cell:3 Cells
recharge cycles： 500
Operation time: Around 1-3.5hours

Compatible Part Numbers:
PK03XL PK03056XL-PL 788237-2C1 788237-2C3 789116-005 HSTNN-DB6S TPN-Q157

Compatible Laptop Models:
for HP Spectre X360 13-4000 series 
13-4001dx 13-4002dx 13-4003dx 13-4005dx 13-4013dx 13-4001tu 13-4002tu 13-4003tu 13-4004tu 13-4005tu 13-4006tu 13-4007tu 13-4008tu 13-4010tu 13-4011tu 13-4012tu 13-4013tu 13-4015tu 13-4016tu 13-4017tu 13-4018tu 13-4019tu 13-4022tu 13-4010ca 13-4020ca 13-4021ca 13-4030ca 13-4001na 13-4050na 13-4030la 13-4040la n more

for HP Spectre X360 13-4100 series 
13-4101dx 13-4102dx 13-4110dx 13-4116dx 13-4193dx 13-4194dx 13-4195dx 13-4196dx 13-4197dx 13-4120ca 13-4050ca 13-4128ca 13-4130ca 13-4150ca 13-4158ca 13-4118nr 13-4163nr 13-4165nr 13-4166nr 13-4183nr 13-4125nr 13-4185nr 13-4193nr 13-4195nr 13-4104na 13-4129na 13-4101la 13-4107la 13-4109la 13-4196ms13-4197ms13-4105ns 13-4103tu 13-4108tu 13-4109tu 13-4128tu 13-4139tu 13-4140tu 13-4141tu 13-4142tu 13-4143tu 13-4101tu 13-4102tu 13-4104tu 13-4105tu 13-4106tu 13-4107tu 13-4110tu 13-4111tu 13-4112tu 13-4113tu 13-4114tu 13-4115tu 13-4116tu 13-4117tu 13-4118tu 13-4119tu 13-4120tu 13-4121tu 13-4122tu 13-4123tu 13-4124tu 13-4125tu 13-4126tu 13-4127tu 13-4129tu 13-4130tu 13-4131tu 13-4132tu 13-4133tu 13-4134tu 13-4135tu n more

for HP Spectre X360 13-4200 series 
13-4200ns 13-4201nf 13-4201nx 13-4202nf 13-4203nf 13-4203tu 13-4204tu 13-4205tu n more

for HP Spectre X360 13T-4000 13T-4100 13T-4200 series

for HP Spectre Pro X360 G1 G2 series

for HP ENVY X360 Convertible 13-Y series
13-Y013CL 13-Y023CL 13-Y034CL 13-Y044CL 13-Y084CL 13-Y094CL 13T-Y000 13-y073nr 

for HP ENVY X360 Convertible 15-Y series
15-ay034TU 15-ay035TU