Chengyuan Technology’s PR06 laptop batteries are 100% high-capacity types, compatible with the HP Probook laptops, including the 4331s, 4431s, 4435s, 4535s, 4536s, 4440s, 4441s, 4446s, and 4545s series. These PR06 models offer a 10.8V output and a 56Wh capacity. They are built with Grade A Li-ion cells and Grade A ICs, which are manufactured to meet or exceed the original specifications, ensuring a longer battery lifespan and great compatibility.

Our brand-new PR06 batteries are aftermarket types and they are 100% strictly tested before shipment to ensure safety. We offer a 1-year warranty and guarantee our actual capacities. Please reach out by email for detailed pricing information!