Axiom offers a complete line of batteries for popular notebook computer brands like HP. Keep an additional battery and maintain maximum mobility at the office, home, or on the go. Replace, upgrade or keep a spare and get powered by Axiom today. Axiom notebook batteries can be used to replace an old, poor performing battery or as a spare to allow more productivity when away from a power outlet. Add an extra notebook battery to an open bay drive and double the power capabilities of the computer. If an extra drive bay is not available, carry an extra battery with you to swap out the batteries when the primary battery loses power.