HP

Business Notebook 6535b

Compaq 6500b
Compaq 6535b
Compaq 6700b
Compaq 6730b
Compaq 6735b

EliteBook 6930p
EliteBook 8440P
EliteBook 8440W

HP Compaq 6530b

ProBook 6440b
ProBook 6445b
ProBook 6450b
ProBook 6540B
ProBook 6545b
ProBook 6550b
ProBook 6555b
　

Please Notice:
It is an inexhaustive list. If your original battery part NO. or your machine model NO. are not listed in the description, our battery may still fit your laptop. Therefore, please feel free to contact us to confirm the compatibility.

Helpful hints:

To calibrate the battery, you should fully discharge, fully charge, it can increase the length of the battery. the voltage should close or the same to the voltage in the listing.