Replace your worn-out battery with a brand new battery for the HP Folio 9470 Laptop. This HP battery replaces the original battery found in the HP Folio 9470 model. Hp makes additional versions of the same model under the HP Folio 9480 Series. Highest Quality Lithium-ion Battery. This battery uses the highest quality lithium-ion battery cell technology in our batteries. The superior components last longer, charge faster and weigh less than cheaper, lower quality batteries. Each battery is tested. You can expect about 4 hours to 6 hours of run time with this computer battery when new, depending on your energy use.